3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i = 'a';$i <= 'y';$i++) echo $i . "\n"; var_dump($i); echo "<br/>"; for($i = 'a';$i <= 'z';$i++) echo $i . "\n";

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)
8.3.60.0060.01316.63
8.3.50.0090.01316.34
8.3.40.0130.00318.75
8.3.30.0160.00618.52
8.3.20.0090.00021.76
8.3.10.0030.00623.61
8.3.00.0040.00418.03
8.2.180.0150.00718.04
8.2.170.0160.00022.96
8.2.160.0110.00419.32
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00020.44
8.2.120.0050.00326.35
8.2.110.0100.00021.00
8.2.100.0060.00619.64
8.2.90.0060.00317.75
8.2.80.0030.00617.97
8.2.70.0060.00317.93
8.2.60.0000.00918.03
8.2.50.0030.00618.10
8.2.40.0060.00322.26
8.2.30.0050.00319.32
8.2.20.0000.00818.10
8.2.10.0040.00418.16
8.2.00.0080.00018.12
8.1.280.0150.00025.92
8.1.270.0060.00320.65
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00422.08
8.1.230.0060.00621.04
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00617.12
8.1.180.0040.00418.10
8.1.170.0060.00318.53
8.1.160.0040.00418.75
8.1.150.0080.00022.05
8.1.140.0030.00619.57
8.1.130.0040.00418.94
8.1.120.0020.00517.53
8.1.110.0000.00817.36
8.1.100.0040.00417.48
8.1.90.0040.00417.35
8.1.80.0000.00817.34
8.1.70.0030.00317.44
8.1.60.0030.00517.52
8.1.50.0000.00917.42
8.1.40.0000.00817.53
8.1.30.0040.00417.47
8.1.20.0050.00317.68
8.1.10.0030.00617.47
8.1.00.0040.00417.51
8.0.300.0000.00819.89
8.0.290.0040.00416.75
8.0.280.0080.00018.44
8.0.270.0040.00417.25
8.0.260.0040.00416.70
8.0.250.0050.00216.98
8.0.240.0000.00816.80
8.0.230.0070.00016.98
8.0.220.0050.00316.86
8.0.210.0070.00016.86
8.0.200.0070.00316.88
8.0.190.0000.00916.94
8.0.180.0040.00416.87
8.0.170.0040.00416.86
8.0.160.0040.00416.86
8.0.150.0000.00716.71
8.0.140.0000.00716.80
8.0.130.0030.00313.32
8.0.120.0050.00316.85
8.0.110.0000.00716.82
8.0.100.0080.00016.77
8.0.90.0000.00816.91
8.0.80.0150.00416.93
8.0.70.0040.00416.73
8.0.60.0000.00816.84
8.0.50.0030.00516.68
8.0.30.0140.00917.13
8.0.20.0140.01017.40
8.0.10.0030.00516.88
8.0.00.0130.00616.77
7.4.330.0030.00315.55
7.4.320.0000.00616.64
7.4.300.0000.00616.53
7.4.290.0070.00016.39
7.4.280.0080.00016.52
7.4.270.0080.00316.51
7.4.260.0070.00016.56
7.4.250.0070.00016.45
7.4.240.0020.00516.51
7.4.230.0000.00716.68
7.4.220.0070.01316.39
7.4.210.0110.01116.61
7.4.200.0000.00716.61
7.4.160.0070.01316.36
7.4.150.0160.01317.40
7.4.140.0170.01117.86
7.4.130.0270.00316.68
7.4.120.0180.01016.41
7.4.110.0190.01016.43
7.4.100.0110.01116.48
7.4.90.0180.00316.41
7.4.80.0060.02119.39
7.4.70.0070.02016.57
7.4.60.0080.01316.41
7.4.50.0110.00416.45
7.4.40.0060.01216.55
7.4.30.0100.02316.40
7.4.00.0110.00314.92
7.3.330.0060.00013.00
7.3.320.0000.00513.14
7.3.310.0040.00416.11
7.3.300.0000.00716.28
7.3.290.0080.00816.20
7.3.280.0110.00916.23
7.3.270.0130.01317.40
7.3.260.0140.01016.41
7.3.250.0150.00816.41
7.3.240.0130.00916.33
7.3.230.0170.00316.55
7.3.210.0170.00416.43
7.3.200.0100.01616.36
7.3.190.0050.01616.45
7.3.180.0040.01516.32
7.3.170.0040.01616.18
7.3.160.0070.01016.38
7.3.10.0140.00916.12
7.3.00.0300.00016.38
7.2.330.0170.00316.64
7.2.320.0070.01516.43
7.2.310.0030.01616.78
7.2.300.0090.00916.43
7.2.290.0150.00516.54
7.2.130.0080.01616.69
7.2.120.0200.00016.54
7.2.110.0170.01016.42
7.2.100.0090.01316.52
7.2.90.0190.00515.93
7.2.80.0230.00816.82
7.2.70.0200.01616.64
7.2.60.0070.01416.81
7.2.50.0130.00716.23
7.2.40.0150.01516.70
7.2.30.0230.00416.26
7.2.20.0060.02116.67
7.2.10.0100.01016.39
7.2.00.0070.01018.08
7.1.250.0060.00915.15
7.1.200.0000.01315.95
7.1.100.0080.00418.46
7.1.70.0000.01016.89
7.1.60.1500.02333.18
7.1.50.1130.02733.05
7.1.40.1070.01032.66
7.1.30.1800.02332.61
7.1.20.1030.01032.96
7.1.10.0970.00714.62
7.1.00.0970.00714.84
7.0.200.2130.01714.77
7.0.190.1730.01014.75
7.0.180.0970.01014.39
7.0.170.1530.01314.32
7.0.160.1830.01014.41
7.0.150.1270.01714.65
7.0.140.1070.00714.62
7.0.130.1030.01014.50
7.0.120.1100.02314.62
7.0.110.1330.01314.58
7.0.100.1170.01714.39
7.0.90.1470.01314.44
7.0.80.1300.01314.47
7.0.70.1500.01014.47
7.0.60.1530.00714.38
7.0.50.1300.00714.60
7.0.40.1200.00014.68
7.0.30.1270.01014.59
7.0.20.1100.01014.53
7.0.10.1670.01014.53
7.0.00.1030.01014.60

preferences:
54.58 ms | 400 KiB | 5 Q