Did you say... "phpcode artay_key_exists" ?
Frequent typos and misspellings :
phpcode-artay_key_exists phpcode artay_key_exsits phpcode ratay_key_exists phpcoed artay_key_exists phpcode atray_key_exists ohpcode artay_key_exists lhpcode artay_key_exists pnpcode artay_key_exists ptpcode artay_key_exists pgpcode artay_key_exists pbpcode artay_key_exists pypcode artay_key_exists pjpcode artay_key_exists phocode artay_key_exists phlcode artay_key_exists phpdode artay_key_exists phpvode artay_key_exists phpxode artay_key_exists phpcide artay_key_exists phpclde artay_key_exists phpcpde artay_key_exists phpcoee artay_key_exists phpcose artay_key_exists phpcoce artay_key_exists phpcofe artay_key_exists phpcodeartay_key_exists phpcode artay_key_exists phpcode srtay_key_exists phpcode zrtay_key_exists phpcode qrtay_key_exists phpcode aetay_key_exists phpcode attay_key_exists phpcode agtay_key_exists phpcode aftay_key_exists phpcode array_key_exists phpcode argay_key_exists phpcode aryay_key_exists phpcode artsy_key_exists phpcode artzy_key_exists phpcode artqy_key_exists phpcode artat_key_exists phpcode artau_key_exists phpcode artah_key_exists phpcode artay_iey_exists phpcode artay_oey_exists phpcode artay_ley_exists phpcode artay_mey_exists phpcode artay_jey_exists phpcode artay_ket_exists phpcode artay_keu_exists phpcode artay_keh_exists phpcode artay_key_esists phpcode artay_key_ecists phpcode artay_key_ezists phpcode artay_key_exosts phpcode artay_key_exusts phpcode artay_key_exksts phpcode artay_key_exiets phpcode artay_key_exiats phpcode artay_key_exidts phpcode artay_key_exiwts phpcode artay_key_exixts phpcode artay_key_exisrs phpcode artay_key_exisgs phpcode artay_key_exisys phpcode artay_key_existe phpcode artay_key_exista phpcode artay_key_existd phpcode artay_key_existw phpcode artay_key_existx
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Why are misspellings and typos important for you ? Read the introduction about the Typo Trap