php 两段文本对比,不同的文字显示高亮
php 两段文本对比,不同的文字显示高亮【下面这个只能区分错误后面的..】
<?php $str1 ="MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDFUUnBVaHOzlXb Gn3gA+GGpUOdI9yhzKQ0q2vEFLVA+JD7KN9+pzA2Iyfoc1Ldd9WPe7hhxyc22Egg 4BP/mNPfoEbDbshtRUxgR/RoyF4xtw4wFfES26dv3K3wWoueUg5BHtsMXd9qwRew 83JZutNXGL2Wj581buFlvlHb38COjVG/BdEYBuLVDhzqj7cA//ECUrMtVc756kw/ ppa0OHfvlCqSkaru2EEK6RW+UXkWrBH/W7iQzCgi3H9ddgp0M+JcfBwfdSdILthh FrTBYWoVGOmrPqFJxPp4SZA7xWozpWypzV9EuOgNDWUVXyq0hJj3HeVZDPan1DxH G8fwFmoHAgMBAAECggEAbqAHcNxYroCiRAgTQHAMlhe707MSdKgt+9WLwtA1WqrB Zf7hZrnHXuLQ8hMOB1qzIhGkKzWjt60Eq2HV9HwzdXH/mnxW5GRw0J4m2kRUAx11 V+JFWWRK+H1KC7JICshIc5wgBUvwAYMmjC/BEaub533YdTwqb6OtvQQ6EsLcy05U EMko7irwEI3AXnrSz9jJmCQWhUr2cxDf0YBWJ1Uu2fc7ZsXc/zGJAIq4qHWLVHYy rlZ6uyZFFtn2ibuKu8k9ehownpQWVmFl1lHDfBSx9kcfPqHBbZFD5c1A4lsxYYlQ hv6ElTMdU95r/nw0xt0dWgERazD66HX+C/QYo5sxaQKBgQD9Q3FbeG4lX4xVl71X IUwLXBKnZaOCBkan5VWoEzrCJUIKWSWIs5md77Yf89ZqOrJFSRaoRoVQCF7wuxPX l1ZviCnMC/bBgobBFwo2L20140EDwrkYEWzM6llLltTNfGYLng/jW64aY0P0mymT QK4BdwoLArlU7eI9PTU0mt+CAwKBgQDHcxeX31k14rbCM3CNKB3m08/It46Lz4S3 A/88X1mCmbWTItxCotEqU8vl8i3VdJ51Cd6UuG/aIxg/7TueDz7wufITQpS1HNOW HgLd8Jb1xIvortigti0fqUGe5QZS+4zefXz7zB2zt5HpLDybGlY+05Pv4Nrhax/x MCLk9sfarQKBgFpVxAksW51ZB2VASnjZl5Y1sTGkPz4RnwIj+vmIYlz9jSDDy2+H IDQFXKDpCIG7jfrIpxw+iy6Qzcxv7hPoFxyRJNdzLQC43ffhj/Lj18Bw3q/ItNyw 2m386PzdP+pLhNp/9orSGLew0HxfG+U6HNbI7vwebJyufRP60Q+CblahAoGAGQmO pacJCOWr8ZcJgv7NOiPOyrCYOV7UlzDuQoLptqZbD9xpcAgGX9zjFLuhG1GnbqPN iDfa+rQ7IBNEz6O0T/3XsKlEB7RVr1uXGotQOAvzUENauFoGMhpKPYscjyA639c6 8FUASYY6z92YwhO9Tee7g3pjn7aV7O4RA1MjZYUCgYEAm2ZBxOLQ/dv3kEBxhzQy wuPBEI+D+1K4k2/yhPi1DZgrLM9KrZyhjRJhfQvs8JD/JUz9pqbS7a5BsljhzwNG GM2iExG98IEG+F1Z6jjALxY2eI2cgw/b4POrzC5C5SOEwP3rc7J6UharT8NLl6Kx 9VMIt+GY3IFh6LvxmPPlPHI="; $str2 ="MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCf1OAHfr8wx3D7 XfSHil4V7F4OWTvD1miVsHMOjVzp4y5Mfg1mUVh+ZSG5tSYS5ujAzZTwGxKXY5Es pLtlsouXcwCtK368t2gs90w3L0t+bgOVArrtZaHKKQoCxD9+CpeMGaI1Qbh4iXVG rY+w5lqL3kJHgei9Xv3nBSRygcQ9mC7Ptgdq+dajvJSdXShNKLPLWa3gOjHDpKYJ xheSpAi2htxNAt7szoddQind+rqO/0nZkVUgzrXX7SxbQzrd2jyc8heFu3QlnloA 3Y/n3Cp+sJ0hnMkKT9pUsCifmaQizIVek30NC+B0zjbMxHJcxE3aqDLYuaUqoCmf 0XvYid7RAgMBAAECggEAc1zMIrzKNOQPWW+UWux1Qm+r58FikNTGAh0svrkr8ikm ttFYzJw0Om62a/sjMwt1vgvkz3VK8vhLxaRVGm9HsBWyzEsTnBTpXWNVoJNDc0rm zPv+ffEYWPlMH3kUtt3gSqAJ41S/WEkm28/UYgOyIThYMJLEsULKEqA0kW22fhmg 1JOuVa4c6aOKp2OkKQtQZiOG9agL0MizyXoQEhCQywatk2bNt5v25Aa/owe7Jvvt FxP5YwAYrSMQkrggpIpdM++QE4HIq2QZw9pUjMeEcFtTOSvIeAX2uXxAW+g1PVwG gBKvOhQW8lkqqrrZUTOgNLW4o9aR3wSBs0bb00k9bQKBgQDL2rU/2QYAFbBKok/M TJfvTJoJ55B7ZZEHoeOllU1rJFxuRgZD25zoq6ey5anXLpmJuGVAjZRPHHbfIZuN kVwRnNxUqtZlxe9pfkkGfVwWlR+hhiS/1mkQYmMMGQ/LE4WW+hUMKe8b5I4DEoDZ F7lJuwBAy7RX46nPvC7xJzlfGwKBgQDIt1vIDiSNkM+gDV1RSGwhwvzlwfQthcq6 W334VDfEsiiQmSOTiXWO9LlUqj8+jX04uo/V9DUEp/3OjhUhjHIJLJlsGKEXofK5 EhUHoHTu90PjDP1AlX4IHb4pbp7A2sDCes5mg4ff/n8SflnwWOIoyZ+HMILM6KFp n3EU6YncgwKBgGsexDuGyTZmLzsoy5HpdbVTpWYq/qs5FdrS4RLzv7jbZI610Tj7 QBqriPXi5TqjzB6ofNxNCXAA3x4lRN5BUgYXTVhYZU0Zk9L1f14fpbJgLjzshocg Hhlz+eQzjy8BVSOeykyYBIO9uDo5EOgDJWRvFZT29g9xHJyCoJAsMmOdAoGAHT+K 4lYdQXvOpZYM+SFCkJDnZVukB1YtuoZGjv9GuST1AE0wf/lR5ikHMK02VhksHC4j c5wIdcs9EvJlZeQfYfLb0IKuRtFUm19lLR1WrNPfUqC77sNaADjFUyhJffTijfRz S0DzddKSFdHPrVRmcGchFgQdq1pi2w9e3RtC+Z0CgYBsXozk32r7gAc6j41a/KLN KlkEOdJMMdlmulc0gA1yNZB47NqOf/Otfdpv/aQ2iFSKcB5jMLbZ/cN+XMpKCcvC 3Im9LOJqssp12kjO9Bin62VX4mxEp5JudodvWnolM+4TOj0WikzP1sw0zXZa7UWh Qwdn72MC+lZHonkiXnkmAw=="; echo $str1.'<hr />'; $err=mb_str_cmp($str1,$str2,'utf-8'); echo $err[0].'<font color="red">'.$err[1].'</font>'; //字符串比较,返回的第二个字符串的数组,0为相同部分,1为不同 function mb_str_cmp($str1,$str2,$encode='utf-8'){ $num=mb_strlen($str2,$encode); if(strcmp($str1,$str2)==0)return array($str2,''); for($i=0;$i<$num;$i++){ $word1=mb_substr($str1,$i,1,$encode); $word2=mb_substr($str2,$i,1,$encode); if($word1!=$word2)break; } return array(mb_substr($str2,0,$i,$encode),mb_substr($str2,$i,$num,$encode)); }