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<?php echo strtolower(preg_replace('/([a-zA-Z])\s*=\s*([a-zA-Z])', '$1', 'algo = algo '));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_replace(): No ending delimiter '/' found in /in/Z2H53 on line 7 Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Z2H53 on line 7

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