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62 lines
1.4 KiB
PHP
62 lines
1.4 KiB
PHP
--TEST--
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Test strncmp() function: usage variations - different inputs(heredoc strings)
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--FILE--
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<?php
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/* Prototype : int strncmp ( string $str1, string $str2, int $len );
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* Description: Binary safe case-sensitive string comparison of the first n characters
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* Source code: Zend/zend_builtin_functions.c
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*/
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/* Test strncmp() function with different strings for 'str1', 'str2' and considering case sensitive */
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echo "*** Test strncmp() function: with different input strings ***\n";
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/* heredoc string */
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$str1 = <<<EOD
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Example of string
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spanning multiple lines
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using heredoc syntax.
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EOD;
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/* identifier name contains underscore */
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$str2 = <<<identifier_str2
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Example of heredoc
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string, whose identifier
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having underscore("_")
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& numeric value.
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identifier_str2;
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/* identifier name starts with underscore */
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$str3 = <<<_identifier_str3
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Hello, World
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hello, world
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_identifier_str3;
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/* string containing control characters */
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$str4 = <<<identifier_str4
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Hello, World\n
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Hello\0World
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identifier_str4;
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$strings = array(
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$str1,
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$str2,
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$str3,
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$str4
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);
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/* loop through to compare each string with the other string */
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$count = 1;
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for($index1 = 0; $index1 < count($strings); $index1++) {
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var_dump( strncmp( $strings[$index1], $strings[$index1], strlen($strings[$index1]) ) );
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$count ++;
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}
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echo "*** Done ***\n";
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?>
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--EXPECTF--
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*** Test strncmp() function: with different input strings ***
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int(0)
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int(0)
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int(0)
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int(0)
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*** Done ***
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