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run code in 150+ php & hhvm versions
Bugs & Features
<?php class MyClass { public $prop; } $foo = new MyClass(); $foo->prop = 'test1'; $bar = $foo; $bam = new MyClass(); $bam->prop = 'test2'; $t = new MyClass(); $t->prop = 'test1'; $test = array($foo, $bar, $bam, $t); function filter_them( $obj ) { static $new_arr; if ( ! in_array( $new_arr ) ){ $new_arr[] = $obj->prop; return true; } } print_r(array_filter($test, 'filter_them'));
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: in_array() expects at least 2 parameters, 1 given in /in/QnO1B on line 22 Warning: in_array() expects at least 2 parameters, 1 given in /in/QnO1B on line 22 Warning: in_array() expects at least 2 parameters, 1 given in /in/QnO1B on line 22 Warning: in_array() expects at least 2 parameters, 1 given in /in/QnO1B on line 22 Array ( [0] => MyClass Object ( [prop] => test1 ) [1] => MyClass Object ( [prop] => test1 ) [2] => MyClass Object ( [prop] => test2 ) [3] => MyClass Object ( [prop] => test1 ) )
Output for 5.0.0 - 5.2.17
Warning: Wrong parameter count for in_array() in /in/QnO1B on line 22 Warning: Wrong parameter count for in_array() in /in/QnO1B on line 22 Warning: Wrong parameter count for in_array() in /in/QnO1B on line 22 Warning: Wrong parameter count for in_array() in /in/QnO1B on line 22 Array ( [0] => MyClass Object ( [prop] => test1 ) [1] => MyClass Object ( [prop] => test1 ) [2] => MyClass Object ( [prop] => test2 ) [3] => MyClass Object ( [prop] => test1 ) )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/QnO1B on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/QnO1B on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/QnO1B on line 4
Process exited with code 255.