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<?php // Get 10mb of data from /dev/zero try { $infp = fopen('/dev/zero', 'r'); $data = fread($infp, 1024 * 1024 * 1); } finally { if (isset($infp) && $infp !== false) { echo "closing!"; fclose($infp); } } write_data($data); echo "Peak memory usage: ", number_format(memory_get_peak_usage()), " bytes\n"; /** * Bad example of how to write some data to /dev/null */ function write_data($data) { $outfp = fopen('/dev/null', 'w'); fwrite($outfp, $data); fwrite($outfp, "\n"); fclose($outfp); }
Output for 8.3.0 - 8.3.7
Warning: fopen(): open_basedir restriction in effect. File(/dev/zero) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 6 Warning: fopen(/dev/zero): Failed to open stream: Operation not permitted in /in/0Qnh4 on line 6 Fatal error: Uncaught TypeError: fread(): Argument #1 ($stream) must be of type resource, false given in /in/0Qnh4:7 Stack trace: #0 /in/0Qnh4(7): fread(false, 1048576) #1 {main} thrown in /in/0Qnh4 on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: fopen(): open_basedir restriction in effect. File(/dev/zero) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 6 Warning: fopen(/dev/zero): Failed to open stream: Operation not permitted in /in/0Qnh4 on line 6 Fatal error: Uncaught TypeError: fread(): Argument #1 ($stream) must be of type resource, bool given in /in/0Qnh4:7 Stack trace: #0 /in/0Qnh4(7): fread(false, 1048576) #1 {main} thrown in /in/0Qnh4 on line 7
Process exited with code 255.
Output for 8.0.13
closing!Peak memory usage: 1,450,072 bytes
Output for 7.4.33
closing!Peak memory usage: 1,450,368 bytes
Output for 7.4.0 - 7.4.32
Warning: fopen(): open_basedir restriction in effect. File(/dev/zero) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 6 Warning: fopen(/dev/zero): failed to open stream: Operation not permitted in /in/0Qnh4 on line 6 Warning: fread() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 7 Warning: fopen(): open_basedir restriction in effect. File(/dev/null) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 25 Warning: fopen(/dev/null): failed to open stream: Operation not permitted in /in/0Qnh4 on line 25 Warning: fwrite() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 26 Warning: fwrite() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 27 Warning: fclose() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 28 Peak memory usage: 426,520 bytes
Output for 7.3.32 - 7.3.33
closing!Peak memory usage: 1,450,352 bytes
Output for 7.3.0 - 7.3.31
Warning: fopen(): open_basedir restriction in effect. File(/dev/zero) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 6 Warning: fopen(/dev/zero): failed to open stream: Operation not permitted in /in/0Qnh4 on line 6 Warning: fread() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 7 Warning: fopen(): open_basedir restriction in effect. File(/dev/null) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 25 Warning: fopen(/dev/null): failed to open stream: Operation not permitted in /in/0Qnh4 on line 25 Warning: fwrite() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 26 Warning: fwrite() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 27 Warning: fclose() expects parameter 1 to be resource, bool given in /in/0Qnh4 on line 28 Peak memory usage: 425,920 bytes
Output for 7.2.0 - 7.2.33
Warning: fopen(): open_basedir restriction in effect. File(/dev/zero) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 6 Warning: fopen(/dev/zero): failed to open stream: Operation not permitted in /in/0Qnh4 on line 6 Warning: fread() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 7 Warning: fopen(): open_basedir restriction in effect. File(/dev/null) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 25 Warning: fopen(/dev/null): failed to open stream: Operation not permitted in /in/0Qnh4 on line 25 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 26 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 27 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 28 Peak memory usage: 421,560 bytes
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Warning: fopen(): open_basedir restriction in effect. File(/dev/zero) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 6 Warning: fopen(/dev/zero): failed to open stream: Operation not permitted in /in/0Qnh4 on line 6 Warning: fread() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 7 Warning: fopen(): open_basedir restriction in effect. File(/dev/null) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 25 Warning: fopen(/dev/null): failed to open stream: Operation not permitted in /in/0Qnh4 on line 25 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 26 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 27 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 28 Peak memory usage: 384,504 bytes
Output for 5.6.38
Warning: fopen(): open_basedir restriction in effect. File(/dev/zero) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 6 Warning: fopen(/dev/zero): failed to open stream: Operation not permitted in /in/0Qnh4 on line 6 Warning: fread() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 7 Warning: fopen(): open_basedir restriction in effect. File(/dev/null) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0Qnh4 on line 25 Warning: fopen(/dev/null): failed to open stream: Operation not permitted in /in/0Qnh4 on line 25 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 26 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 27 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/0Qnh4 on line 28 Peak memory usage: 227,248 bytes
preferences:
185.17 ms | 403 KiB | 249 Q