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<?php function test_switch($value) { $matches = ""; switch ($value) { case 0: $matches .= "0 "; } switch ($value) { case 1: $matches .= "1 "; } switch ($value) { case true: $matches .= "true "; } switch ($value) { case false: $matches .= "false "; } switch ($value) { case null: $matches .= "null "; } switch ($value) { case "0": $matches .= "'0' "; } switch ($value) { case "1": $matches .= "'1' "; } return $matches; } foreach (array(0, 1, true, false, null, "0", "1") as $value) { $matches = test_switch($value); var_dump(array('value' => $value, 'matches' => trim($matches))); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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, 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(2) { ["value"]=> int(0) ["matches"]=> string(16) "0 false null '0'" } array(2) { ["value"]=> int(1) ["matches"]=> string(10) "1 true '1'" } array(2) { ["value"]=> bool(true) ["matches"]=> string(10) "1 true '1'" } array(2) { ["value"]=> bool(false) ["matches"]=> string(16) "0 false null '0'" } array(2) { ["value"]=> NULL ["matches"]=> string(12) "0 false null" } array(2) { ["value"]=> string(1) "0" ["matches"]=> string(11) "0 false '0'" } array(2) { ["value"]=> string(1) "1" ["matches"]=> string(10) "1 true '1'" }
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(2) { ["value"]=> int(0) ["matches"]=> string(16) "0 false null '0'" } array(2) { ["value"]=> int(1) ["matches"]=> string(10) "1 true '1'" } array(2) { ["value"]=> bool(true) ["matches"]=> string(10) "1 true '1'" } array(2) { ["value"]=> bool(false) ["matches"]=> string(16) "0 false null '0'" } array(2) { ["value"]=> NULL ["matches"]=> string(12) "0 false null" } array(2) { ["value"]=> string(1) "0" ["matches"]=> string(11) "0 false '0'" } array(2) { ["value"]=> string(1) "1" ["matches"]=> string(10) "1 true '1'" }

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