3v4l.org

run code in 300+ PHP versions simultaneously
<?php class File_stream { static $stream; protected $position; public $context; function stream_open ($path, $mode) { if ($mode != 'r' && $mode != 'rb') { return false; } $this->position = 0; return true; } function stream_read ($length) { fseek(self::$stream, $this->position); $bytes = fread(self::$stream, $length); $this->position += strlen($bytes); return $bytes; } function stream_tell () { return $this->position; } function stream_eof () { fseek(self::$stream, $this->position); return feof(self::$stream); } function stream_seek ($offset, $whence = SEEK_SET) { var_dump('seek', $this->position, $offset, $whence); fseek(self::$stream, $this->position); $result = fseek(self::$stream, $offset, $whence); $this->position = ftell(self::$stream); return $result === 0; } function stream_stat () { return fstat(self::$stream); } } stream_wrapper_register('request-file', 'File_stream'); $data = '0123456789abcdef'; $stream_direct = fopen('php://temp', 'w+b'); fwrite($stream_direct, $data); rewind($stream_direct); File_stream::$stream = $stream_direct; $stream = fopen('request-file://', 'r'); var_dump(fread($stream, 3)); var_dump(ftell($stream)); var_dump(fseek($stream, -1, SEEK_CUR)); var_dump(fread($stream, 2)); var_dump(ftell($stream)); fclose($stream);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.130.0090.00617.85
8.4.120.0090.00920.46
8.4.110.0150.00722.63
8.4.100.0140.00717.68
8.4.90.0120.00418.57
8.4.80.0100.00517.89
8.4.70.0060.00817.95
8.4.60.0140.00718.80
8.4.50.0120.00819.29
8.4.40.0060.00917.46
8.4.30.0130.00720.59
8.4.20.0120.00920.57
8.4.10.0040.01223.88
8.3.260.0120.00716.49
8.3.250.0080.01118.95
8.3.240.0100.00916.68
8.3.230.0110.00816.57
8.3.220.0040.00317.30
8.3.210.0040.00416.63
8.3.200.0030.00516.63
8.3.190.0060.00317.19
8.3.180.0050.00918.58
8.3.170.0080.00019.09
8.3.160.0120.00316.35
8.3.150.0070.01120.75
8.3.140.0080.00016.69
8.3.130.0060.00318.71
8.3.120.0140.00618.95
8.3.110.0140.00320.94
8.3.100.0040.01224.06
8.3.90.0070.00326.77
8.3.80.0030.00617.97
8.3.70.0190.00316.61
8.3.60.0070.00718.43
8.3.50.0110.00418.47
8.3.40.0100.00320.47
8.3.30.0000.01520.17
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0060.00326.16
8.2.290.0070.00920.48
8.2.280.0040.00418.47
8.2.270.0150.00017.27
8.2.260.0000.00719.02
8.2.250.0060.00316.67
8.2.240.0100.01018.54
8.2.230.0030.00722.58
8.2.220.0090.00037.54
8.2.210.0080.00026.77
8.2.200.0000.00916.75
8.2.190.0120.00316.75
8.2.180.0090.01216.88
8.2.170.0070.00718.86
8.2.160.0140.00022.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00417.63
8.2.110.0090.00022.25
8.2.100.0080.00417.84
8.2.90.0040.00418.03
8.2.80.0000.00819.23
8.2.70.0040.01379.33
8.2.60.0170.00379.33
8.2.50.0190.00079.33
8.2.40.0130.00379.33
8.2.30.0170.00079.33
8.2.20.0130.00379.33
8.2.10.0160.00079.33
8.2.00.0000.01979.33
8.1.330.0030.00421.86
8.1.320.0120.00716.17
8.1.310.0150.00316.54
8.1.300.0140.00418.02
8.1.290.0090.00030.84
8.1.280.0110.00725.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00019.57
8.1.230.0110.00421.04
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0100.00879.33
8.1.190.0120.00479.33
8.1.180.0110.00679.33
8.1.170.0100.00579.33
8.1.160.0090.00779.33
8.1.150.0140.00379.33
8.1.140.0090.00679.33
8.1.130.0130.00279.33
8.1.120.0120.00479.33
8.1.110.0120.00479.33
8.1.100.0180.00079.33
8.1.90.0080.00879.33
8.1.80.0130.00579.33
8.1.70.0080.00879.33
8.1.60.0150.00379.33
8.1.50.0120.00679.33
8.1.40.0110.00879.33
8.1.30.0140.00579.33
8.1.20.0180.00079.33
8.1.10.0150.00779.33
8.1.00.0130.00479.33
8.0.300.0000.00719.88
8.0.290.0060.01179.33
8.0.280.0140.00279.33
8.0.270.0100.00779.33
8.0.260.0080.00879.33
8.0.250.0170.00079.33
8.0.240.0120.00579.33
8.0.230.0100.01079.33
8.0.220.0140.00379.33
8.0.210.0160.00079.33
8.0.200.0060.01179.33
8.0.190.0060.01179.33
8.0.180.0060.00979.33
8.0.170.0150.00079.33
8.0.160.0140.00379.33
8.0.150.0050.01179.33
8.0.140.0120.00579.33
8.0.130.0130.00379.33
8.0.120.0070.00979.33
8.0.110.0110.00579.33
8.0.100.0170.00079.33
8.0.90.0100.00679.33
8.0.80.0110.00579.33
8.0.70.0110.00779.33
8.0.60.0110.00679.33
8.0.50.0070.01079.33
8.0.30.0160.00079.33
8.0.20.0160.00079.33
8.0.10.0120.00579.33

preferences:
24.47 ms | 403 KiB | 5 Q