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<?php ini_set('precision', -1); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8); echo "\n"; ini_set('precision', 1); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8); echo "\n"; ini_set('precision', 10); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8); echo "\n"; ini_set('precision', 100); echo ini_get('precision') . PHP_EOL; var_dump(0.1+0.7); var_dump((0.1+0.7)===0.8);
Output for git.master, git.master_jit, rfc.property-hooks
-1 float(0.7999999999999999) bool(false) 1 float(0.7999999999999999) bool(false) 10 float(0.7999999999999999) bool(false) 100 float(0.7999999999999999) bool(false)

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