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<?php $data = array( array('id' => 1, 'price' => 100), array('id' => 7, 'price' => 100.3), array('id' => 5, 'price' => 100.2), ); uasort($data, function ($a, $b) { return $a['price'] - $b['price']; }); var_dump($data); uasort($data, function ($a, $b) { return $a['price'] <=> $b['price']; }); var_dump($data);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(3) { [0]=> array(2) { ["id"]=> int(1) ["price"]=> int(100) } [1]=> array(2) { ["id"]=> int(7) ["price"]=> float(100.3) } [2]=> array(2) { ["id"]=> int(5) ["price"]=> float(100.2) } } array(3) { [0]=> array(2) { ["id"]=> int(1) ["price"]=> int(100) } [2]=> array(2) { ["id"]=> int(5) ["price"]=> float(100.2) } [1]=> array(2) { ["id"]=> int(7) ["price"]=> float(100.3) } }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(3) { [0]=> array(2) { ["id"]=> int(1) ["price"]=> int(100) } [1]=> array(2) { ["id"]=> int(7) ["price"]=> float(100.3) } [2]=> array(2) { ["id"]=> int(5) ["price"]=> float(100.2) } } array(3) { [0]=> array(2) { ["id"]=> int(1) ["price"]=> int(100) } [2]=> array(2) { ["id"]=> int(5) ["price"]=> float(100.2) } [1]=> array(2) { ["id"]=> int(7) ["price"]=> float(100.3) } }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/YTYP8 on line 13
Process exited with code 255.
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/YTYP8 on line 7
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/YTYP8 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YTYP8 on line 7
Process exited with code 255.

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