3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fpc($filename, $data) { // open file pointer, init flock options $fp = fopen($filename, 'w'); $retries = 0; $max_retries = 100; if (!$fp) { return false; } // loop until get lock, or reach max retries do { if ($retries > 0) { usleep(rand(1, 5000)); } $retries += 1; } while (!flock($fp, LOCK_EX) && $retries <= $max_retries); // couldn't get the lock if ($retries == $max_retries) { return false; } // got lock, write data fwrite($fp, $data); // release lock flock($fp, LOCK_UN); fclose($fp); return true; }

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)
8.3.70.0260.00516.58
8.3.60.0250.00716.58
8.3.50.0040.00818.52
8.3.40.0140.01117.11
8.3.30.0160.01016.88
8.3.20.0240.00317.10
8.3.10.0250.00017.13
8.3.00.0250.00017.13
8.2.190.0100.00717.59
8.2.180.0120.01216.58
8.2.170.0210.00317.50
8.2.160.0240.00017.38
8.2.150.0270.00017.00
8.2.140.0260.00017.13
8.2.130.0250.00017.13
8.2.120.0170.00717.25
8.2.110.0270.00517.38
8.2.100.0160.00617.25
8.2.90.0130.00917.13
8.2.80.0170.00417.25
8.2.70.0110.01117.25
8.2.60.0190.00417.25
8.2.50.0270.00317.25
8.2.40.0260.00917.38
8.2.30.0120.00919.11
8.2.20.0330.00717.13
8.2.10.0330.01016.97
8.2.00.0350.01317.00
8.1.280.0470.00616.58
8.1.270.0370.00917.13
8.1.260.0310.01817.00
8.1.250.0400.01016.75
8.1.240.0260.00717.00
8.1.230.0240.00917.00
8.1.220.0260.00317.10
8.1.210.0330.00316.74
8.1.200.0300.00917.23
8.1.190.0330.00417.10
8.1.180.0300.00917.00
8.1.170.0380.00317.22
8.1.160.0230.01316.96
8.1.150.0170.00817.00
8.1.140.0170.00316.86
8.1.130.0120.00917.13
8.1.120.0120.00617.31
8.1.110.0170.00217.13
8.1.100.0100.00617.27
8.1.90.0140.00417.21
8.1.80.0150.00617.19
8.1.70.0120.00717.28
8.1.60.0150.00617.28
8.1.50.0130.00717.36
8.1.40.0110.00917.36
8.1.30.0150.00417.39
8.1.20.0130.00617.45
8.1.10.0200.00417.23
8.1.00.0190.00517.21
8.0.300.0240.00616.58
8.0.290.0310.00716.58
8.0.280.0300.00416.58
8.0.270.0220.00716.58
8.0.260.0310.00816.58
8.0.250.0150.00716.69
8.0.240.0180.00916.61
8.0.230.0130.00816.67
8.0.220.0130.00616.60
8.0.210.0120.00616.61
8.0.200.0170.00316.73
8.0.190.0160.00616.70
8.0.180.0200.00616.65
8.0.170.0150.00816.69
8.0.160.0210.00216.62
8.0.150.0130.00916.61
8.0.140.0170.00516.66
8.0.130.0160.00616.58
8.0.120.0170.00516.62
8.0.110.0190.00516.63
8.0.100.0140.00516.63
8.0.90.0100.00816.61
8.0.80.0140.00416.62
8.0.70.0140.00416.61
8.0.60.0120.00716.66
8.0.50.0180.00316.56
8.0.30.0120.00716.62
8.0.20.0140.00316.64
8.0.10.0090.00616.75
7.4.330.0110.00315.43
7.4.320.0130.00216.41
7.4.300.0130.00216.42
7.4.290.0090.00716.42
7.4.280.0110.00516.41
7.4.270.0110.00416.41
7.4.260.0110.00416.36
7.4.250.0060.00616.31
7.4.240.0100.00216.25
7.4.230.0080.00416.33
7.4.220.0090.00416.32
7.4.210.0050.00716.31
7.4.200.0090.00516.14
7.4.190.0090.00316.15
7.4.180.0070.00416.32
7.4.160.0100.00316.39
7.4.150.0130.00516.38
7.4.140.0130.00516.23
7.4.130.0140.00416.27
7.4.120.0130.00416.15
7.4.110.0160.00216.31
7.4.100.0110.00516.28
7.4.90.0090.00716.29
7.4.80.0090.00416.18
7.4.70.0070.00516.14
7.4.60.0110.00216.10
7.4.50.0060.00616.05
7.4.40.0110.00116.22
7.4.30.0090.00316.13
7.4.20.0100.00216.05
7.4.10.0090.00516.14
7.4.00.0110.00316.22

preferences:
29.29 ms | 403 KiB | 5 Q