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60 lines
1.0 KiB
PHP
60 lines
1.0 KiB
PHP
--TEST--
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Test isset() function : basic functionality
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--FILE--
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<?php
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/* Prototype : bool isset ( mixed $var [, mixed $var [, $... ]] )
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* Description: Determine if a variable is set and is not NULL
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*/
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class foo {}
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echo "*** Testing isset() : basic functionality ***\n";
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$i = 10;
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$f = 10.5;
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$s = "Hello";
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$b = true;
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$n = NULL;
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echo "Test multiple scalar variables in a group\n";
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var_dump(isset($i, $f, $s, $b));
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var_dump(isset($i, $f, $s, $b, $n));
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echo "Unset a few\n";
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unset($i, $b);
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echo "Test again\n";
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var_dump(isset($i, $f, $s, $b));
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echo "\n\nArray test:\n";
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$arr = array();
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var_dump(isset($var));
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var_dump(isset($var[1]));
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var_dump(isset($var, $var[1]));
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echo "..now set\n";
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$var[1] = 10;
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var_dump(isset($var));
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var_dump(isset($var[1]));
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var_dump(isset($var, $var[1]));
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?>
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===DONE===
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--EXPECT--
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*** Testing isset() : basic functionality ***
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Test multiple scalar variables in a group
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bool(true)
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bool(false)
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Unset a few
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Test again
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bool(false)
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Array test:
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bool(false)
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bool(false)
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bool(false)
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..now set
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bool(true)
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bool(true)
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bool(true)
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===DONE===
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