//达到76个字符换行处理 $string='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'; $string = wordwrap($string,76,PHP_EOL,TRUE); echo $string; //输出结果 /** erX8ceL7pUopUHZcz7hBXX+340hcJl/IP3DN1qvAxbpWObB5zOFIqLP/GYIYDzc4l/DotGWqIf90 NRbaL9RGcWrXXCXkpv/mg2ZxKo6QiZ/+X+4Vff5Zpwe/klYERTOUHTAkHDzt26EULeuvOmimva+a /tOeePAgoNuLMalIHsj6ddLUvDuFag3w52XKbzMCbIaiZ45GIMAkP6l+MHSRtx56G0Ofnicy67I7 Ul0g7YxVHMB4V7I6BZKOd5PwP6T06qkeLF+nlj+oT5keAjdNZ2qFEsf4Qf7O+H7GOIz/Boo5MPYN kiU7THN5Xwkk17iweODsSTHGUbcYngNZ8nJpMVKde1bXViWdc7B8gYIA74T8CGSOnKwJU59ZzH7r XIcvELIKAPauCYchh/Yz2hG9sZQKWnfFyw5iEoizofAXwAOX3u4xrMthfaryckz9hZbc/5rT5fYO +i1dz12qoXU3qcjj9SsCDFv9u8qEySwUi+gGBA7k4m8VFcFPex86Psvvc+LbazyQ6s8dW4eXkiop 5aZpWcI5cZKjZRmxO+R3LPVi9LI+F8IEUop+IQDqzRq7GRGsL1SZsr63QOqx0GOjYdd/NJCif6Y/ bTOKbxDqCbGPTk2rNH9cCloYF38DUxa3BLZSvBKKD6SFCvMJtDj3HRYuGgJ13a5alGN0zGpkA9bV mB/hoPevGkUfdmFt6L6T/w7PinTJ+UqJV1bcqiNeHP3OdOlucBsSvMGgnO85FhotS0I64IzAclj3 l84JKAb1SFo9jUNkppOMwbL8kRIdgVsBVKrk3pkYD+y6KoPb18OrgN1aRelhJCUjPMFddzG3myUq 4pLrh8KmFQkbNe1lK0lzKfpyIvETZE4SBTHmcaMsJ5p6HM43fFR6YzCaKJb1156nsn55h9n78ays t8Xhz7q1HemSq/1YHQcSV3kSFE2qIUAtgoiDwzYz86Y33KoR+xqb7DiqVWe+Y1Gk1oZ9QcTuJXCB ZVpjY0NQAmMDywWPR01zAujBebyGYDIiR00klJA4bE60S4N4iR4CKkq2uRY/Uk0mjHNLHf2olwZg mZDP8ApVKKJ+UfwoZkr7DPFVfvZgjInrkkjjQhbX+CHKND2CTPdSe0IEAp5To4iZery2R4IrB1ah gNVatqXAb/dVNq3tNd9u3QjrhYXad5A28hsV/9w2KOe0xcw5jX5lhFv77YDCcnxzQK/nYyKXhKsf l5aJKGh1Hn3/Ly4k68eioRw+k/v0m6iC/aAFasIc/1E7yapMPoUaQKgow62G69e+RX5mUEYbbp8g fjhuJmMk7iA3Is269hRGG846AN7FrZX6XrsCMYPwWgFvGkzJbmMimUuqlGr0IBuZIXTLQC2rInF5 wsjSK9odoY2nwzJvA91Af4FDPEjyXlzJ6uWccV/TEb9iIenlqxmiOZiicVJz4VoWG3h3U0f2wuLJ hJK1VEu1VGCPFOUpNdZ3oUFIvBBagXMfcdMLnp2wdQbHxMGSNwjMKD2K0ge80kObuac6XxOAt9fk aUMlBQGdA7w8q2ukRpJwFfijd+Ape3x02F7Shoz7GENstlHuyDUCV6Fx5MtycF69qa7IDaGi6ilu 1PDGYFLEkWvfPXTXFH9QJds/hfbjl3fobLHxX02cDisKF7uS3VxiN/nhF+MmH45aK8DVz2ccM/GA B4kzp2xnji5MmFjvtPmnpaax+GGwX/ad3eCICJ6ntM9qTV4Cv1zznNcZQRIRcZpvxBt3W4LjT0uT 9blyNoy9seQO2Ye9Dtkd/jlw+OGlpVSxAUAZxE5XA4Q0YFrHHB8t35Kloy848/YVRtlRvrg5oZxL Pvc46d/tZ+9cCCWAQkki4wrv8P6+9cqUJJPqh2HTEoRzhWYZ/AQXL1QWlFeFSYuNUJT0q1RY5OKT YGJDk7dIOyB3MGgJccR3ofdG2fm4y8s708Qpn2hLYpa0jPeW7D259UGK/IUHrIM= **/