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<?php $a = (array)json_decode('{"7":"value1","8":"value2","9":"value3","13":"value4"}'); $b = json_decode('{"7":"value1","8":"value2","9":"value3","13":"value4"}', true); $c = array('7' => 'value1', '8' => 'value2', '9' => 'value3','10' => 'value4'); var_dump($a, $b, $c); var_export($a); var_export($b); var_export($c); echo "\n"; var_dump(isset($a[7]), isset($a['7'])); var_dump(isset($b[7]), isset($b['7'])); var_dump(isset($c[7]), isset($c['7']));
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array(4) { [7]=> string(6) "value1" [8]=> string(6) "value2" [9]=> string(6) "value3" [13]=> string(6) "value4" } array(4) { [7]=> string(6) "value1" [8]=> string(6) "value2" [9]=> string(6) "value3" [13]=> string(6) "value4" } array(4) { [7]=> string(6) "value1" [8]=> string(6) "value2" [9]=> string(6) "value3" [10]=> string(6) "value4" } array ( 7 => 'value1', 8 => 'value2', 9 => 'value3', 13 => 'value4', )array ( 7 => 'value1', 8 => 'value2', 9 => 'value3', 13 => 'value4', )array ( 7 => 'value1', 8 => 'value2', 9 => 'value3', 10 => 'value4', ) bool(true) bool(true) bool(true) bool(true) bool(true) bool(true)
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.1.0 - 7.1.33
array(4) { ["7"]=> string(6) "value1" ["8"]=> string(6) "value2" ["9"]=> string(6) "value3" ["13"]=> string(6) "value4" } array(4) { [7]=> string(6) "value1" [8]=> string(6) "value2" [9]=> string(6) "value3" [13]=> string(6) "value4" } array(4) { [7]=> string(6) "value1" [8]=> string(6) "value2" [9]=> string(6) "value3" [10]=> string(6) "value4" } array ( '7' => 'value1', '8' => 'value2', '9' => 'value3', '13' => 'value4', )array ( 7 => 'value1', 8 => 'value2', 9 => 'value3', 13 => 'value4', )array ( 7 => 'value1', 8 => 'value2', 9 => 'value3', 10 => 'value4', ) bool(false) bool(false) bool(true) bool(true) bool(true) bool(true)

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