[筆記] php判斷字符串開頭結尾

//變量： $s1 = "dotcoo world!" ; $s2 = "dotcoo" ; $s3 = "hello dotcoo" ; //php判斷字符串開頭： var_dump( substr ( $s1 , 0, strlen ( $s2 )) === $s2 ); var_dump( strpos ( $s1 , $s2 ) === 0); var_dump( strncmp ( $s

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