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<?php $origin = ['value1', 'value2', 'value3', '-2', '2', '22']; $replace_map = [ 'value1' => 'replace1', 'value2' => 'replace2', 'value8' => 'replace8', 2 => 77 ]; var_export( preg_replace_callback( '~^-?\K.*$~', function ($m) use ($replace_map) { return $replace_map[$m[0]] ?? $m[0]; }, $origin ) ); var_export( preg_replace_callback('~^-?\K.*$~', fn($m)=> $replace_map[$m[0]] ?? $m[0], $origin) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'replace1', 1 => 'replace2', 2 => 'value3', 3 => '-77', 4 => '77', 5 => '22', )array ( 0 => 'replace1', 1 => 'replace2', 2 => 'value3', 3 => '-77', 4 => '77', 5 => '22', )

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