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<?php $text="key1=value 1 key2=value 2 key3=val 3"; var_export(array_chunk(preg_split('~=| (?=\w+=)~', $text), 2)); echo "\n---\n"; var_export(array_chunk(preg_split('~ ?(\w+)=~', $text, null, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE), 2));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array ( 0 => array ( 0 => 'key1', 1 => 'value 1', ), 1 => array ( 0 => 'key2', 1 => 'value 2', ), 2 => array ( 0 => 'key3', 1 => 'val 3', ), ) --- Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GCUq1 on line 6 array ( 0 => array ( 0 => 'key1', 1 => 'value 1', ), 1 => array ( 0 => 'key2', 1 => 'value 2', ), 2 => array ( 0 => 'key3', 1 => 'val 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 ( 0 => array ( 0 => 'key1', 1 => 'value 1', ), 1 => array ( 0 => 'key2', 1 => 'value 2', ), 2 => array ( 0 => 'key3', 1 => 'val 3', ), ) --- Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/GCUq1 on line 6 array ( 0 => array ( 0 => 'key1', 1 => 'value 1', ), 1 => array ( 0 => 'key2', 1 => 'value 2', ), 2 => array ( 0 => 'key3', 1 => 'val 3', ), )
Output for 5.6.38, 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
array ( 0 => array ( 0 => 'key1', 1 => 'value 1', ), 1 => array ( 0 => 'key2', 1 => 'value 2', ), 2 => array ( 0 => 'key3', 1 => 'val 3', ), ) --- array ( 0 => array ( 0 => 'key1', 1 => 'value 1', ), 1 => array ( 0 => 'key2', 1 => 'value 2', ), 2 => array ( 0 => 'key3', 1 => 'val 3', ), )

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174.84 ms | 403 KiB | 201 Q