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60 lines
1.2 KiB
PHP
60 lines
1.2 KiB
PHP
--TEST--
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Test var_export() function with valid null values
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--FILE--
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<?php
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/* Prototype : mixed var_export(mixed var [, bool return])
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* Description: Outputs or returns a string representation of a variable
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* Source code: ext/standard/var.c
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* Alias to functions:
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*/
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echo "*** Testing var_export() with valid null values ***\n";
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// different valid null vlaues
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$unset_var = array();
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unset ($unset_var); // now a null
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$null_var = NULL;
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$valid_nulls = array(
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"NULL" => NULL,
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"null" => null,
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"null_var" => $null_var,
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);
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/* Loop to check for above null values with var_export() */
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echo "\n*** Output for null values ***\n";
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foreach($valid_nulls as $key => $null_value) {
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echo "\n-- Iteration: $key --\n";
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var_export( $null_value );
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echo "\n";
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var_export( $null_value, FALSE);
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echo "\n";
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var_dump( var_export( $null_value, true) );
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echo "\n";
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}
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?>
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===DONE===
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--EXPECT--
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*** Testing var_export() with valid null values ***
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*** Output for null values ***
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-- Iteration: NULL --
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NULL
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NULL
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string(4) "NULL"
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-- Iteration: null --
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NULL
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NULL
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string(4) "NULL"
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-- Iteration: null_var --
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NULL
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NULL
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string(4) "NULL"
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===DONE===
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