3v4l.org

run code in 300+ PHP versions simultaneously
<?php $file = new SplTempFileObject(); for ($i = 0; $i < 100; $i++) { $file->fwrite("Foo $i\n"); } $file->seek(50); $nextBefore = []; while ($file->valid() && $file->key() <= 53) { $file->next(); $line = $file->current(); $nextBefore[$file->key()] = trim($line); } $file->seek(50); $nextAfter = []; while ($file->valid() && $file->key() <= 53) { $line = $file->current(); $nextAfter[$file->key()] = trim($line); $file->next(); } $file->seek(50); $fgets = []; while ($file->valid() && $file->key() <= 53) { $line = $file->fgets(); $fgets[$file->key()] = trim($line); } echo "-- Next Before --\n"; print_r($nextBefore) . PHP_EOL; echo "-- Next After --\n"; print_r($nextAfter) . PHP_EOL; echo "-- fgets --\n"; print_r($fgets) . PHP_EOL;

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)
8.3.70.0060.01616.75
8.3.60.0070.01418.43
8.3.50.0090.00619.88
8.3.40.0070.01119.21
8.3.30.0040.01118.70
8.3.20.0000.00824.18
8.3.10.0070.00024.66
8.3.00.0090.00026.16
8.2.190.0070.01118.05
8.2.180.0070.01025.92
8.2.170.0150.00418.91
8.2.160.0100.00322.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00726.16
8.2.110.0060.00322.20
8.2.100.0060.00617.84
8.2.90.0030.00617.75
8.2.80.0060.00318.83
8.2.70.0080.00017.50
8.2.60.0030.00517.63
8.2.50.0080.00017.93
8.2.40.0030.00519.99
8.2.30.0030.00617.75
8.2.20.0080.00019.36
8.2.10.0050.00317.92
8.2.00.0030.00519.43
8.1.280.0110.00725.92
8.1.270.0040.00422.31
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00719.56
8.1.230.0040.00720.89
8.1.220.0080.00018.75
8.1.210.0060.00318.77
8.1.200.0040.00417.47
8.1.190.0000.00817.48
8.1.180.0000.00918.10
8.1.170.0000.00817.62
8.1.160.0040.00419.03
8.1.150.0040.00418.70
8.1.140.0040.00417.42
8.1.130.0070.00019.00
8.1.120.0040.00417.53
8.1.110.0030.00517.39
8.1.100.0040.00417.47
8.1.90.0040.00417.57
8.1.80.0030.00717.39
8.1.70.0040.00417.57
8.1.60.0030.00617.54
8.1.50.0030.00617.60
8.1.40.0040.00417.55
8.1.30.0040.00417.56
8.1.20.0040.00417.62
8.1.10.0030.00517.56
8.1.00.0060.00317.50
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00618.50
8.0.270.0000.00716.81
8.0.260.0030.00318.50
8.0.250.0000.00717.07
8.0.240.0080.00016.86
8.0.230.0030.00316.97
8.0.220.0050.00316.98
8.0.210.0040.00416.84
8.0.200.0070.00017.00
8.0.190.0030.00416.91
8.0.180.0000.00716.87
8.0.170.0000.00916.96
8.0.160.0030.00516.96
8.0.150.0070.00316.89
8.0.140.0040.00416.79
8.0.130.0030.00313.34
8.0.120.0000.00816.97
8.0.110.0020.00616.95
8.0.100.0050.00316.94
8.0.90.0020.00616.92
8.0.80.0020.00616.95
8.0.70.0050.00216.94
8.0.60.0060.00216.93
8.0.50.0050.00316.89
8.0.30.0050.00416.92
8.0.20.0020.00816.98
8.0.10.0050.00317.01
8.0.00.0040.00417.00
7.4.330.0050.00015.55
7.4.320.0030.00316.58
7.4.300.0000.00716.66
7.4.290.0040.00416.59
7.4.280.0060.00316.68
7.4.270.0000.00716.67
7.4.260.0050.00013.26
7.4.250.0030.00516.56
7.4.240.0030.00416.62
7.4.230.0020.00616.54
7.4.220.0000.00716.62
7.4.210.0030.00316.50
7.4.200.0060.00116.62
7.4.190.0040.00416.59
7.4.180.0050.00316.58
7.4.160.0020.00516.61
7.4.150.0030.00516.53
7.4.140.0020.00716.46
7.4.130.0020.00616.50
7.4.120.0060.00216.50
7.4.110.0050.00216.47
7.4.100.0050.00316.56
7.4.90.0030.00516.52
7.4.80.0030.00516.57
7.4.70.0030.00516.45
7.4.60.0040.00416.58
7.4.50.0010.00816.48
7.4.40.0040.00416.42
7.4.30.0000.00816.52
7.4.20.0010.00716.47
7.4.10.0010.00716.50
7.4.00.0020.00616.49
7.3.330.0000.00716.44
7.3.320.0050.00013.36
7.3.310.0000.00716.27
7.3.300.0030.00516.36
7.3.290.0040.00316.35
7.3.280.0000.00716.41
7.3.270.0060.00216.39
7.3.260.0020.00516.34
7.3.250.0040.00416.31
7.3.240.0010.00616.33
7.3.230.0050.00316.38
7.3.220.0060.00216.29
7.3.210.0040.00416.29
7.3.200.0020.00616.28
7.3.190.0010.00616.28
7.3.180.0030.00416.27
7.3.170.0020.00616.34
7.3.160.0040.00416.20
7.3.150.0060.00216.25
7.3.140.0060.00216.28
7.3.130.0040.00516.36
7.3.120.0040.00416.38
7.3.110.0030.00516.28
7.3.100.0000.00716.24
7.3.90.0050.00216.53
7.3.80.0000.00816.32
7.3.70.0040.00416.47
7.3.60.0030.00516.56
7.3.50.0020.00616.38
7.3.40.0030.00416.43
7.3.30.0050.00316.54
7.3.20.0060.00116.44
7.3.10.0060.00416.40
7.3.00.0090.00016.46

preferences:
17.09 ms | 401 KiB | 5 Q