3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function stripNonValidCharaters ($message) { $count = 0; //mostly taken from https://dynmark.uservoice.com/knowledgebase/articles/83496-gsm-alphabet-character-set $search = [ '`', '‘', '’', //single quotes '“', '”', //double quotes '~', '¬', '|' //misc ]; $replace = [ '\'', '\'', '\'', //single quotes '"', '"', //double quotes '-', '-', 'I' //misc ]; $message = str_replace($search, $replace, $message, $count); $validGSMKeycodes = [ 0x0040, 0x0394, 0x0020, 0x0030, 0x00a1, 0x0050, 0x00bf, 0x0070, 0x00A3, 0x005f, 0x0021, 0x0031, 0x0041, 0x0051, 0x0061, 0x0071, 0x0024, 0x03a6, 0x0022, 0x0032, 0x0042, 0x0052, 0x0062, 0x0072, 0x00a5, 0x0393, 0x0023, 0x0033, 0x0043, 0x0053, 0x0063, 0x0073, 0x00e8, 0x039b, 0x00a4, 0x0034, 0x0035, 0x0044, 0x0054, 0x0064, 0x0074, 0x00e9, 0x03a9, 0x0025, 0x0045, 0x0045, 0x0055, 0x0065, 0x0075, 0x00f9, 0x03a0, 0x0026, 0x0036, 0x0046, 0x0056, 0x0066, 0x0076, 0x00ec, 0x03a8, 0x0027, 0x0037, 0x0047, 0x0057, 0x0067, 0x0077, 0x00f2, 0x03a3, 0x0028, 0x0038, 0x0048, 0x0058, 0x0068, 0x0078, 0x00c7, 0x0398, 0x0029, 0x0039, 0x0049, 0x0059, 0x0069, 0x0079, 0x000a, 0x039e, 0x002a, 0x003a, 0x004a, 0x005a, 0x006a, 0x007a, 0x00d8, 0x001b, 0x002b, 0x003b, 0x004b, 0x00c4, 0x006b, 0x00e4, 0x00f8, 0x00c6, 0x002c, 0x003c, 0x004c, 0x00d6, 0x006c, 0x00f6, 0x000d, 0x00e6, 0x002d, 0x003d, 0x004d, 0x00d1, 0x006d, 0x00f1, 0x00c5, 0x00df, 0x002e, 0x003e, 0x004e, 0x00dc, 0x006e, 0x00fc, 0x00e5, 0x00c9, 0x002f, 0x003f, 0x004f, 0x00a7, 0x006f, 0x00e0, 0x03d5, 0x00E8, 0x00E9, 0x00F9, 0x00EC, 0x00F2, 0x00E7, 0x00D8, 0x00A5 ]; for($i = 0; $i < strlen($message); $i++) { if(!in_array(hexdec(bin2hex(mb_substr($message, $i, 1))), $validGSMKeycodes, true)) { $message[$i] = ''; $count++; } } $message = trim($message); return ['message' => $message, 'replacements' => $count]; } $message= "@£\$¥èéùìòÇØøÅåΔ_ΦΓΛΩΠΨΣΘΞÆæßÉ !\"#¤%&'()*+,-./0123456789:;>=<?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑܧ¿abcdefghijklmnopqrstuvwxyzäöñüàExtended: €[\]^{|}~"; var_dump(stripNonValidCharaters($message));
based on U93qR
Output for 7.1.0
Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 Warning: Cannot assign an empty string to a string offset in /in/rAn2X on line 43 array(2) { ["message"]=> string(185) "@£$¥èéùìòÇØøÅåΔ_ΦΓΛΩΠΨΣΘΞÆæßÉ !"#¤%&'()*+,-./0123456789:;>=<?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑܧ¿abcdefghijklmnopqrstuvwxyzäöñüàExtended: €[\]^{I}-" ["replacements"]=> int(89) }
Output for 5.4.0 - 7.0.14
array(2) { ["message"]=> string(185) "@�$��_� !"#�%&'()*+,-./0123456789:;>=<?�ABCDEFGHIJKLMNOPQRSTUVWXYZ��abcdefghijklmnopqrstuvwxyz�Extended: I-" ["replacements"]=> int(80) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/rAn2X on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/rAn2X on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/rAn2X on line 7
Process exited with code 255.