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<?php $input = array( json_decode('{"name": "foo1", "other": "test"}'), json_decode('{"name": "foo2", "other": "test"}'), json_decode('{"name": "foo3", "other": "test"}'), ); echo "INPUT\n", str_repeat('=', 20), "\n"; var_dump($input); echo "\n"; echo "RESULT\n", str_repeat('=', 20), "\n"; var_dump( $result = array_filter($input, function($o) use ($name) { return $o->name == $name; }) ); echo "usage\n", str_repeat('=', 20), "\n"; $match = $result[0]; var_dump($match->other);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
INPUT ==================== array(3) { [0]=> object(stdClass)#1 (2) { ["name"]=> string(4) "foo1" ["other"]=> string(4) "test" } [1]=> object(stdClass)#2 (2) { ["name"]=> string(4) "foo2" ["other"]=> string(4) "test" } [2]=> object(stdClass)#3 (2) { ["name"]=> string(4) "foo3" ["other"]=> string(4) "test" } } RESULT ==================== Warning: Undefined variable $name in /in/Wh6D1 on line 15 array(0) { } usage ==================== Warning: Undefined array key 0 in /in/Wh6D1 on line 20 Warning: Attempt to read property "other" on null in /in/Wh6D1 on line 21 NULL
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
INPUT ==================== array(3) { [0]=> object(stdClass)#1 (2) { ["name"]=> string(4) "foo1" ["other"]=> string(4) "test" } [1]=> object(stdClass)#2 (2) { ["name"]=> string(4) "foo2" ["other"]=> string(4) "test" } [2]=> object(stdClass)#3 (2) { ["name"]=> string(4) "foo3" ["other"]=> string(4) "test" } } RESULT ==================== Notice: Undefined variable: name in /in/Wh6D1 on line 15 array(0) { } usage ==================== Notice: Undefined offset: 0 in /in/Wh6D1 on line 20 Notice: Trying to get property 'other' of non-object in /in/Wh6D1 on line 21 NULL
Output for 7.3.32 - 7.3.33
INPUT ==================== array(3) { [0]=> object(stdClass)#1 (2) { ["name"]=> string(4) "foo1" ["other"]=> string(4) "test" } [1]=> object(stdClass)#2 (2) { ["name"]=> string(4) "foo2" ["other"]=> string(4) "test" } [2]=> object(stdClass)#3 (2) { ["name"]=> string(4) "foo3" ["other"]=> string(4) "test" } } RESULT ==================== array(0) { } usage ==================== NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
INPUT ==================== array(3) { [0]=> object(stdClass)#1 (2) { ["name"]=> string(4) "foo1" ["other"]=> string(4) "test" } [1]=> object(stdClass)#2 (2) { ["name"]=> string(4) "foo2" ["other"]=> string(4) "test" } [2]=> object(stdClass)#3 (2) { ["name"]=> string(4) "foo3" ["other"]=> string(4) "test" } } RESULT ==================== Notice: Undefined variable: name in /in/Wh6D1 on line 15 array(0) { } usage ==================== Notice: Undefined offset: 0 in /in/Wh6D1 on line 20 Notice: Trying to get property of non-object in /in/Wh6D1 on line 21 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/Wh6D1 on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/Wh6D1 on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Wh6D1 on line 15
Process exited with code 255.

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