3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; foreach($a as $b) { echo 'a'; }

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)
8.3.40.0080.00618.69
8.3.30.0070.00718.42
8.3.20.0050.00320.38
8.3.10.0040.00423.66
8.3.00.0070.00021.85
8.2.170.0110.01122.96
8.2.160.0070.00719.21
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0030.00719.09
8.2.120.0030.00626.35
8.2.110.0000.00922.27
8.2.100.0060.00617.72
8.2.90.0080.00019.09
8.2.80.0030.00617.97
8.2.70.0030.00517.50
8.2.60.0060.00317.93
8.2.50.0000.00818.10
8.2.40.0030.00520.59
8.2.30.0040.00419.30
8.2.20.0000.00717.93
8.2.10.0040.00418.11
8.2.00.0000.00718.04
8.1.270.0050.00323.96
8.1.260.0060.01226.35
8.1.250.0040.00428.09
8.1.240.0090.00021.06
8.1.230.0070.00419.10
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0080.00018.64
8.1.160.0070.00018.95
8.1.150.0040.00420.68
8.1.140.0020.00519.57
8.1.130.0070.00018.91
8.1.120.0000.00717.45
8.1.110.0070.00017.41
8.1.100.0040.00317.46
8.1.90.0050.00317.36
8.1.80.0030.00517.46
8.1.70.0030.00317.32
8.1.60.0030.00617.57
8.1.50.0000.00817.47
8.1.40.0050.00317.35
8.1.30.0050.00317.66
8.1.20.0000.00717.54
8.1.10.0040.00417.45
8.1.00.0080.00017.25
8.0.300.0000.00720.09
8.0.290.0000.00716.75
8.0.280.0000.00818.31
8.0.270.0040.00417.15
8.0.260.0030.00316.87
8.0.250.0050.00216.97
8.0.240.0070.00016.98
8.0.230.0000.00816.91
8.0.220.0030.00316.84
8.0.210.0000.00716.95
8.0.200.0000.00717.02
8.0.190.0050.00217.04
8.0.180.0000.00716.86
8.0.170.0030.00316.85
8.0.160.0000.00817.00
8.0.150.0000.00716.91
8.0.140.0040.00416.80
8.0.130.0100.00013.38
8.0.120.0000.00716.88
8.0.110.0040.00416.74
8.0.100.0000.00716.89
8.0.90.0040.00416.93
8.0.80.0100.01316.88
8.0.70.0030.00316.80
8.0.60.0070.00017.00
8.0.50.0000.00716.89
8.0.30.0100.00717.20
8.0.20.0120.00817.40
8.0.10.0050.00317.13
8.0.00.0140.00316.78
7.4.330.0020.00215.55
7.4.320.0060.00016.58
7.4.300.0040.00416.48
7.4.290.0000.00816.50
7.4.280.0090.00016.62
7.4.270.0000.00716.52
7.4.260.0070.00016.62
7.4.250.0000.00816.45
7.4.240.0050.00316.51
7.4.230.0000.00716.60
7.4.220.0070.01116.54
7.4.210.0080.00616.58
7.4.200.0070.00016.68
7.4.160.0080.00816.54
7.4.150.0120.00617.40
7.4.140.0060.01217.86
7.4.130.0150.00416.61
7.4.120.0120.00816.47
7.4.110.0140.00416.55
7.4.100.0130.01016.42
7.4.90.0030.01516.39
7.4.80.0140.00319.39
7.4.70.0120.00316.43
7.4.60.0040.01116.48
7.4.50.0000.01416.39
7.4.40.0100.01316.48
7.4.30.0130.01016.48
7.4.00.0050.01415.05
7.3.330.0070.00013.11
7.3.320.0050.00013.11
7.3.310.0020.00516.21
7.3.300.0000.00716.16
7.3.290.0040.00416.04
7.3.280.0090.00716.24
7.3.270.0110.00717.40
7.3.260.0110.00616.46
7.3.250.0100.00916.27
7.3.240.0090.00916.31
7.3.230.0070.01016.35
7.3.210.0120.00416.50
7.3.200.0130.00316.48
7.3.190.0090.01216.14
7.3.180.0070.01416.48
7.3.170.0160.00416.25
7.3.160.0070.01016.51
7.3.120.0100.00814.83
7.3.110.0050.01214.88
7.3.100.0080.00814.76
7.3.90.0050.01014.73
7.3.80.0080.00715.00
7.3.70.0040.01214.83
7.3.60.0030.00814.70
7.3.50.0060.00814.74
7.3.40.0090.00514.54
7.3.30.0050.00714.78
7.3.20.0020.00916.73
7.3.10.0030.00916.65
7.3.00.0050.00816.39
7.2.330.0070.01016.45
7.2.320.0120.00616.30
7.2.310.0130.00316.28
7.2.300.0070.01016.21
7.2.290.0090.00716.59
7.2.250.0050.01514.96
7.2.240.0070.01414.85
7.2.230.0090.00714.91
7.2.220.0090.00415.01
7.2.210.0080.00914.98
7.2.200.0090.00714.94
7.2.190.0090.00714.87
7.2.180.0070.00814.72
7.2.170.0030.01115.03
7.2.90.0110.00714.52
7.2.80.2170.00314.59
7.2.70.1850.00714.86
7.2.60.0200.00314.52
7.2.50.0180.00714.74
7.2.40.0410.00314.70
7.2.30.0390.00614.66
7.2.20.0470.00314.70
7.2.10.0120.00914.55
7.2.00.0070.00914.84
7.1.330.0070.00715.63
7.1.320.0050.00815.52
7.1.310.0100.00515.78
7.1.300.0080.00415.47
7.1.290.0030.01015.70
7.1.280.0050.00815.43
7.1.270.0060.00315.65
7.1.260.0030.00915.57
7.1.210.2490.01013.63
7.1.200.1160.01013.52
7.1.190.0100.00613.55
7.1.180.1180.00313.66
7.1.170.2170.00313.66
7.1.160.0190.01213.77
7.1.150.0130.00413.66
7.1.140.0180.00313.66
7.1.130.0080.00813.74
7.1.120.0120.00313.62
7.1.110.0060.00613.51
7.1.100.0130.00013.63
7.1.90.0040.01113.64
7.1.80.2360.01013.55
7.1.70.0060.00913.66
7.1.60.0350.00631.65
7.1.50.0370.00831.60
7.1.40.1020.00731.85
7.1.30.0450.01331.63
7.1.20.0310.00631.60
7.1.10.0930.00313.67
7.1.00.1120.00013.72
7.0.310.0130.00613.02
7.0.300.0180.00713.27
7.0.290.0160.00313.23
7.0.280.2310.01313.39
7.0.270.0190.00013.23
7.0.260.0270.00313.25
7.0.250.0040.00913.32
7.0.240.0210.00313.57
7.0.230.1420.00012.85
7.0.220.2040.00013.11
7.0.210.0100.01013.37
7.0.200.0130.01013.36
7.0.190.1760.01313.55
7.0.180.0150.00413.35
7.0.170.0440.00613.46
7.0.160.0140.00313.33
7.0.150.0390.01113.48
7.0.140.0210.00313.26
7.0.130.0820.00713.37
7.0.120.0260.00813.32
7.0.110.0230.00513.25
7.0.100.0420.01013.18
7.0.90.0330.00013.47
7.0.80.1070.00713.43
7.0.70.1010.00013.61
7.0.60.1120.00413.41
7.0.50.1290.00413.23
7.0.40.0060.00913.53
7.0.30.1210.00713.48
7.0.20.0090.01213.34
7.0.10.1300.00313.23
7.0.00.0240.00913.46

preferences:
40.81 ms | 400 KiB | 5 Q