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<?php function gmp_base_convert($numStr,$base){ $gnum = gmp_init($numStr); return gmp_strval($gnum,$base); } $n = -65; $b = gmp_base_convert("$n",2); echo "$n (decimal) is $b (binary)"; $i = intval($b, 2); $d = gmp_base_convert($i,10); echo "\n$b (binary) is $d (decimal)"; $n = 0.5; // errs out echo "\n$n is ",gmp_base_convert("$n",16); $n = "2A"; // partially works $i = intval("$n",8); echo "\n$n in decimal is ",gmp_base_convert("$i",10);
Output for 8.0.2 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
-65 (decimal) is -1000001 (binary) -1000001 (binary) is -65 (decimal) 0.5 is Fatal error: Uncaught ValueError: gmp_init(): Argument #1 ($num) is not an integer string in /in/DvusS:5 Stack trace: #0 /in/DvusS(5): gmp_init('0.5') #1 /in/DvusS(18): gmp_base_convert('0.5', 16) #2 {main} thrown in /in/DvusS on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 -65 (decimal) is -1000001 (binary) -1000001 (binary) is -65 (decimal) 0.5 is Fatal error: Uncaught ValueError: gmp_init(): Argument #1 ($num) is not an integer string in /in/DvusS:5 Stack trace: #0 /in/DvusS(5): gmp_init('0.5') #1 /in/DvusS(18): gmp_base_convert('0.5', 16) #2 {main} thrown in /in/DvusS on line 5
Process exited with code 255.
Output for 7.0.6 - 7.0.10, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function gmp_init() in /in/DvusS:5 Stack trace: #0 /in/DvusS(10): gmp_base_convert('-65', 2) #1 {main} thrown in /in/DvusS on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.1
-65 (decimal) is -1000001 (binary) -1000001 (binary) is -65 (decimal) 0.5 is Fatal error: Uncaught TypeError: gmp_init(): Argument #1 ($num) is not an integer string in /in/DvusS:5 Stack trace: #0 /in/DvusS(5): gmp_init('0.5') #1 /in/DvusS(18): gmp_base_convert('0.5', 16) #2 {main} thrown in /in/DvusS on line 5
Process exited with code 255.
Output for 5.6.0 - 5.6.20, 5.6.28, 7.0.0 - 7.0.5, 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32
-65 (decimal) is -1000001 (binary) -1000001 (binary) is -65 (decimal) 0.5 is Warning: gmp_init(): Unable to convert variable to GMP - string is not an integer in /in/DvusS on line 5 0 2A in decimal is 2
Output for 5.5.35 - 5.5.38, 5.6.21 - 5.6.25
Fatal error: Call to undefined function gmp_init() in /in/DvusS on line 5
Process exited with code 255.
Output for 5.5.0 - 5.5.34
-65 (decimal) is -1000001 (binary) -1000001 (binary) is -65 (decimal) 0.5 is 0 2A in decimal is 2
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