3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pathA = '/tmp/a.txt'; $pathB = '/tmp/b.txt'; file_put_contents($pathA, 'X'); file_put_contents($pathB, 'X'); $handleA = fopen($pathA, 'a+'); $handleB = fopen($pathB, 'a+'); assert(fwrite($handleA, 'Y') === fwrite($handleB, 'Y')); fseek($handleA, ftell($handleA)); // THIS LINE SHOULD DO NOTHING BUT CHANGES THE BEHAVIOR assert(ftell($handleA) === ftell($handleB)); $contentA = fread($handleA, 100); $contentB = fread($handleB, 100); var_dump($contentA); var_dump($contentB); assert($contentA === $contentB);

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)
8.4.120.0140.00620.66
8.4.110.0050.00522.57
8.4.100.0100.01118.08
8.4.90.0130.00818.40
8.4.80.0080.00318.12
8.4.70.0130.01118.09
8.4.60.0080.00820.82
8.4.50.0050.00318.87
8.4.40.0090.00320.48
8.4.30.0140.00617.92
8.4.20.0130.00717.76
8.4.10.0030.00617.74
8.3.250.0130.00918.74
8.3.240.0120.00716.70
8.3.230.0130.00616.71
8.3.220.0040.00417.00
8.3.210.0100.00518.14
8.3.200.0020.00616.40
8.3.190.0140.00517.29
8.3.180.0130.00716.63
8.3.170.0040.00416.98
8.3.160.0030.00620.09
8.3.150.0140.00317.19
8.3.140.0040.00416.61
8.3.130.0100.01018.41
8.3.120.0030.00720.67
8.3.110.0090.00020.94
8.3.100.0060.00318.46
8.3.90.0040.00426.77
8.3.80.0000.00918.30
8.3.70.0110.00718.18
8.3.60.0060.01216.62
8.3.50.0130.00620.96
8.3.40.0040.01118.70
8.3.30.0090.00618.84
8.3.20.0060.01018.77
8.3.10.0040.00421.83
8.3.00.0030.00720.87
8.2.290.0120.00620.48
8.2.280.0110.00918.88
8.2.270.0130.00717.16
8.2.260.0060.01220.82
8.2.250.0030.00616.51
8.2.240.0060.00317.48
8.2.230.0040.00422.58
8.2.220.0060.00324.06
8.2.210.0100.01026.77
8.2.200.0100.00018.41
8.2.190.0110.00716.75
8.2.180.0150.00618.79
8.2.170.0200.00019.24
8.2.160.0040.01122.96
8.2.150.0080.00024.18
8.2.140.0090.00924.66
8.2.130.0030.00622.25
8.2.120.0000.00826.35
8.2.110.0060.00322.15
8.2.100.0040.00817.72
8.2.90.0030.00519.28
8.2.80.0040.00417.97
8.2.70.0090.00918.88
8.2.60.0120.00618.67
8.2.50.0120.00618.64
8.2.40.0140.00518.51
8.2.30.0140.00318.76
8.2.20.0130.00318.48
8.2.10.0080.00818.77
8.2.00.0120.00618.64
8.1.330.0090.01223.83
8.1.320.0150.00416.21
8.1.310.0070.01116.43
8.1.300.0080.00016.19
8.1.290.0030.01018.88
8.1.280.0110.01125.92
8.1.270.0040.00424.00
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0000.00923.83
8.1.230.0070.00417.76
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0130.00318.25
8.1.190.0080.00818.34
8.1.180.0170.00018.26
8.1.170.0100.00718.27
8.1.160.0130.00318.35
8.1.150.0060.00918.37
8.1.140.0110.00518.42
8.1.130.0140.00218.25
8.1.120.0150.00318.41
8.1.110.0110.00618.29
8.1.100.0090.00918.40
8.1.90.0040.01219.78
8.1.80.0100.00618.41
8.1.70.0090.00718.47
8.1.60.0160.00318.47
8.1.50.0130.00318.53
8.1.40.0130.00418.73
8.1.30.0090.00018.82
8.1.20.0160.00018.66
8.1.10.0030.00618.80
8.1.00.0040.00418.51
8.0.300.0040.00418.77
8.0.290.0050.01018.25
8.0.280.0040.00418.25
8.0.270.0060.00918.25
8.0.260.0000.00818.25
8.0.250.0040.00918.25
8.0.240.0000.00818.25
8.0.230.0040.00418.25
8.0.220.0100.00218.25
8.0.210.0060.00218.25
8.0.200.0060.00218.25
8.0.190.0140.00018.25
8.0.180.0090.00018.25
8.0.170.0110.00418.25
8.0.160.0080.00018.25
8.0.150.0090.00618.25
8.0.140.0040.00418.25
8.0.130.0060.00318.25
8.0.120.0120.00318.25
8.0.110.0040.00418.25
8.0.100.0120.00218.25
8.0.90.0040.00618.25
8.0.80.0000.00818.25
8.0.70.0040.01118.25
8.0.60.0050.00318.25
8.0.50.0100.00418.25
8.0.30.0000.00818.25
8.0.20.0030.00618.25
8.0.10.0070.00718.25
8.0.00.0130.00318.25
7.4.330.0130.00018.25
7.4.320.0090.00618.25
7.4.300.0160.00018.25
7.4.290.0110.00418.25
7.4.280.0090.00918.25
7.4.270.0120.00418.25
7.4.260.0080.00818.25
7.4.250.0120.00418.25
7.4.240.0130.00318.25
7.4.230.0110.00518.25
7.4.220.0110.00418.25
7.4.210.0080.00818.25
7.4.200.0090.00618.25
7.4.190.0100.00518.25
7.4.180.0150.00018.25
7.4.160.0110.00418.25
7.4.150.0080.00818.25
7.4.140.0160.00018.25
7.4.130.0120.00418.25
7.4.120.0140.00318.25
7.4.110.0130.00318.25
7.4.100.0150.00018.25
7.4.90.0040.01218.25
7.4.80.0140.00318.25
7.4.70.0110.00418.25
7.4.60.0090.00618.25
7.4.50.0100.00418.25
7.4.40.0070.00718.25
7.4.30.0140.00018.25
7.4.20.0120.00418.25
7.4.10.0080.00818.25
7.4.00.0090.00518.25
7.3.330.0000.01418.25
7.3.320.0110.00418.25
7.3.310.0110.00418.25
7.3.300.0000.01418.25
7.3.290.0110.00418.25
7.3.280.0050.01018.25
7.3.270.0000.01618.25
7.3.260.0050.01018.25
7.3.250.0080.00818.25
7.3.240.0120.00518.25
7.3.230.0000.01518.25
7.3.220.0080.00818.25
7.3.210.0130.00318.25
7.3.200.0130.00418.25
7.3.190.0090.00718.25
7.3.180.0140.00318.25
7.3.170.0100.00518.25
7.3.160.0160.00018.25
7.3.150.0000.01418.25
7.3.140.0090.00618.25
7.3.130.0060.01118.25
7.3.120.0110.00418.25
7.3.110.0120.00418.25
7.3.100.0050.01018.25
7.3.90.0110.00418.25
7.3.80.0110.00518.25
7.3.70.0120.00318.25
7.3.60.0140.00018.25
7.3.50.0110.00418.25
7.3.40.0080.00818.25
7.3.30.0100.00518.25
7.3.20.0140.00518.95
7.3.10.0080.00819.14
7.3.00.0080.00819.05
7.2.340.0120.00418.25
7.2.330.0100.00518.25
7.2.320.0060.00918.25
7.2.310.0110.00418.25
7.2.300.0080.00818.25
7.2.290.0110.00418.25
7.2.280.0150.00018.25
7.2.270.0130.00318.25
7.2.260.0110.00618.25
7.2.250.0100.00518.25
7.2.240.0130.00218.25
7.2.230.0100.00418.25
7.2.220.0090.00618.25
7.2.210.0110.00418.25
7.2.200.0120.00618.25
7.2.190.0150.00018.25
7.2.180.0110.00418.25
7.2.170.0110.00418.25
7.2.160.0110.00418.25
7.2.150.0050.01019.25
7.2.140.0060.00919.03
7.2.130.0060.00919.35
7.2.120.0090.00619.32
7.2.110.0120.00219.18
7.2.100.0140.00019.33
7.2.90.0050.01119.05
7.2.80.0080.00819.01
7.2.70.0090.00619.20
7.2.60.0090.00619.16
7.2.50.0120.00319.08
7.2.40.0150.00319.16
7.2.30.0100.00518.79
7.2.20.0120.00319.48
7.2.10.0140.00219.39
7.2.00.0100.00519.36
7.1.330.0090.00418.25
7.1.320.0100.00318.25
7.1.310.0140.00018.25
7.1.300.0050.00918.25
7.1.290.0100.00518.25
7.1.280.0130.00018.25
7.1.270.0070.00718.25
7.1.260.0110.00318.25
7.1.250.0100.00318.30
7.1.240.0090.00618.25
7.1.230.0150.00018.25
7.1.220.0100.00318.27
7.1.210.0140.00018.25
7.1.200.0140.00018.25
7.1.190.0110.00418.50
7.1.180.0120.00318.25
7.1.170.0070.00718.34
7.1.160.0070.00718.42
7.1.150.0110.00318.39
7.1.140.0130.00418.25
7.1.130.0100.00318.25
7.1.120.0100.00518.25
7.1.110.0070.00718.25
7.1.100.0080.00818.25
7.1.90.0100.00318.27
7.1.80.0110.00318.25
7.1.70.0120.00418.25
7.1.60.0140.00018.25
7.1.50.0070.00718.25
7.1.40.0070.00718.39
7.1.30.0170.00018.26
7.1.20.0160.00018.34
7.1.10.0070.00718.25
7.1.00.0100.00518.28
7.0.330.0100.00518.25
7.0.320.0050.00918.25
7.0.310.0000.01318.25
7.0.300.0100.00318.25
7.0.290.0130.00018.25
7.0.280.0130.00018.25
7.0.270.0130.00018.25
7.0.260.0150.00018.25
7.0.250.0110.00218.25
7.0.240.0130.00018.25
7.0.230.0100.00318.25
7.0.220.0070.00718.25
7.0.210.0160.00018.25
7.0.200.0070.00718.25
7.0.190.0090.00518.25
7.0.180.0070.00718.25
7.0.170.0110.00318.25
7.0.160.0120.00018.25
7.0.150.0100.00318.25
7.0.140.0100.00318.25
7.0.130.0110.00218.25
7.0.120.0140.00018.25
7.0.110.0070.00718.25
7.0.100.0130.00018.25
7.0.90.0090.00418.25
7.0.80.0100.00318.25
7.0.70.0060.00618.25
7.0.60.0050.01018.25
7.0.50.0110.00518.25
7.0.40.0130.00018.25
7.0.30.0100.00318.25
7.0.20.0090.00518.25
7.0.10.0150.00018.25
7.0.00.0140.00018.25
5.6.400.0100.00318.25
5.6.390.0100.00318.25
5.6.380.0100.00318.25
5.6.370.0100.00318.25
5.6.360.0100.00318.25
5.6.350.0110.00318.25
5.6.340.0070.00718.25
5.6.330.0080.00418.25
5.6.320.0130.00018.25
5.6.310.0060.00618.25
5.6.300.0130.00318.25
5.6.290.0130.00018.25
5.6.280.0130.00018.25
5.6.270.0130.00018.25
5.6.260.0090.00418.25
5.6.250.0140.00018.25
5.6.240.0090.00418.25
5.6.230.0080.00418.25
5.6.220.0110.00318.25
5.6.210.0090.00418.25
5.6.200.0110.00418.25
5.6.190.0060.00618.25
5.6.180.0100.00318.25
5.6.170.0130.00018.25
5.6.160.0080.00518.25
5.6.150.0080.00518.25
5.6.140.0060.00918.25
5.6.130.0090.00618.25
5.6.120.0100.00518.25
5.6.110.0040.00918.25
5.6.100.0120.00018.25
5.6.90.0100.00318.25
5.6.80.0080.00418.25
5.6.70.0080.00418.25
5.6.60.0070.00718.25
5.6.50.0090.00418.25
5.6.40.0080.00418.25
5.6.30.0100.00318.25
5.6.20.0070.00518.25
5.6.10.0080.00418.25
5.6.00.0100.00318.25
5.5.380.0100.00318.25
5.5.370.0070.00718.25
5.5.360.0080.00418.25
5.5.350.0100.00318.25
5.5.340.0150.00018.25
5.5.330.0120.00218.25
5.5.320.0090.00618.25
5.5.310.0090.00418.25
5.5.300.0100.00318.25
5.5.290.0150.00018.25
5.5.280.0100.00318.25
5.5.270.0080.00518.25
5.5.260.0090.00418.25
5.5.250.0130.00018.25
5.5.240.0150.00018.25
5.5.230.0120.00018.25
5.5.220.0060.00618.25
5.5.210.0100.00318.25
5.5.200.0090.00418.25
5.5.190.0090.00418.25
5.5.180.0040.00818.25
5.5.170.0090.00418.25
5.5.160.0070.00718.25
5.5.150.0000.01318.25
5.5.140.0120.00018.25
5.5.130.0120.00218.25
5.5.120.0090.00518.25
5.5.110.0100.00318.25
5.5.100.0140.00018.25
5.5.90.0090.00318.25
5.5.80.0110.00218.25
5.5.70.0120.00018.25
5.5.60.0100.00318.25
5.5.50.0130.00018.25
5.5.40.0080.00418.25
5.5.30.0040.00918.25
5.5.20.0100.00418.25
5.5.10.0040.00818.25
5.5.00.0050.00818.25

preferences:
30.14 ms | 403 KiB | 5 Q