3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($x = ''; $x != 'a'; $x++) { echo $x."\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)
8.3.60.0430.01418.30
8.3.50.0430.01321.02
8.3.40.0300.01318.52
8.3.30.0250.01820.16
8.3.20.0200.01520.18
8.3.10.0150.00321.09
8.3.00.0040.01422.44
8.2.180.0330.00716.50
8.2.170.0210.01422.96
8.2.160.0340.02721.99
8.2.150.0130.00324.18
8.2.140.0140.00324.66
8.2.130.0160.00026.16
8.2.120.0120.00620.80
8.2.110.0190.00319.21
8.2.100.0190.00617.78
8.2.90.0080.00419.23
8.2.80.0040.01117.97
8.2.70.0080.00417.50
8.2.60.0080.00417.91
8.2.50.0120.00018.07
8.2.40.0000.01418.28
8.2.30.0080.00619.55
8.2.20.0100.01017.70
8.2.10.0030.00917.66
8.2.00.0150.00417.78
8.1.280.0230.00725.92
8.1.270.0090.00623.99
8.1.260.0160.00326.35
8.1.250.0110.00428.09
8.1.240.0180.00422.47
8.1.230.0170.01020.89
8.1.220.0080.00418.77
8.1.210.0080.00819.03
8.1.200.0030.01117.13
8.1.190.0070.00717.40
8.1.180.0130.00618.10
8.1.170.0070.00418.66
8.1.160.0040.00818.99
8.1.150.0070.01518.73
8.1.140.0060.00617.61
8.1.130.0070.00717.87
8.1.120.0080.00317.48
8.1.110.0130.00017.57
8.1.100.0080.00417.52
8.1.90.0000.01217.41
8.1.80.0090.00317.57
8.1.70.0060.00617.43
8.1.60.0120.00317.52
8.1.50.0040.01117.39
8.1.40.0070.00417.54
8.1.30.0000.01217.63
8.1.20.0040.01117.60
8.1.10.0040.00817.48
8.1.00.0100.00317.48
8.0.300.0150.00819.89
8.0.290.0060.00617.04
8.0.280.0040.00818.34
8.0.270.0070.00416.75
8.0.260.0040.00716.66
8.0.250.0070.00416.88
8.0.240.0100.00316.69
8.0.230.0030.00816.80
8.0.220.0000.01116.79
8.0.210.0070.00416.83
8.0.200.0060.00616.82
8.0.190.0100.00316.73
8.0.180.0080.00416.84
8.0.170.0060.00616.77
8.0.160.0070.00416.76
8.0.150.0080.00616.75
8.0.140.0040.00716.68
8.0.130.0070.00413.32
8.0.120.0090.00316.79
8.0.110.0030.00916.70
8.0.100.0070.00416.75
8.0.90.0060.00616.79
8.0.80.0300.03416.82
8.0.70.0080.00416.62
8.0.60.0070.00716.74
8.0.50.0030.01016.87
8.0.30.0470.03216.73
8.0.20.0610.03117.40
8.0.10.0090.00316.72
8.0.00.0440.02816.62
7.4.330.0040.00816.71
7.4.320.0000.01016.40
7.4.300.0090.01316.39
7.4.290.0030.00816.47
7.4.280.0030.00916.44
7.4.270.0070.00416.40
7.4.260.0100.00013.29
7.4.250.0040.00816.44
7.4.240.0030.00816.37
7.4.230.0040.00716.43
7.4.220.0160.02716.50
7.4.210.0200.02116.45
7.4.200.0070.00416.20
7.4.190.0070.00716.44
7.4.160.0540.01716.29
7.4.150.0580.03117.40
7.4.140.0520.03417.86
7.4.130.0600.02916.56
7.4.120.0620.03216.50
7.4.110.0530.04816.46
7.4.100.0730.03616.38
7.4.90.0810.04216.50
7.4.80.0220.02219.39
7.4.70.0470.04716.53
7.4.60.0580.04616.42
7.4.50.0150.00416.35
7.4.40.0070.01822.77
7.4.30.0580.03616.45
7.3.330.0090.00013.11
7.3.320.0030.00713.16
7.3.310.0080.00416.23
7.3.300.0040.00716.19
7.3.290.0250.01916.16
7.3.280.0290.02216.19
7.3.270.0510.01717.40
7.3.260.0700.03018.24
7.3.250.0510.04516.48
7.3.240.0560.03216.41
7.3.230.0700.03016.39
7.3.210.0560.05416.11
7.3.200.0250.03119.39
7.3.190.0520.04516.54
7.3.180.0420.04916.25
7.3.170.0120.02816.46
7.3.160.0260.03516.24
7.2.330.0900.06016.37
7.2.320.0550.03916.64
7.2.310.0510.04816.39
7.2.300.0640.04116.39
7.2.290.0330.03616.63
7.2.100.0240.01414.68
7.2.90.0340.01514.56
7.2.80.0840.02114.63
7.2.70.1170.02914.85
7.2.60.1040.01215.02
7.2.50.0860.01615.05
7.2.40.1720.01615.21
7.2.30.0720.01715.15
7.2.20.0660.02514.88
7.2.10.1480.01214.49
7.2.00.0990.02014.91
7.1.220.0700.01713.68
7.1.210.0810.00313.65
7.1.200.0630.00613.91
7.1.190.0840.01213.91
7.1.180.1080.01013.95
7.1.170.0740.01813.50
7.1.160.0850.01413.87
7.1.150.0900.03213.42
7.1.140.0520.01613.98
7.1.130.0950.01813.53
7.1.120.0570.02713.71
7.1.110.0550.01713.62
7.1.100.1250.01213.81
7.1.90.1180.02513.50
7.1.80.0360.01813.79
7.1.70.1170.00013.86
7.1.60.0430.00931.82
7.1.50.0340.02731.85
7.1.40.1760.01231.87
7.1.30.2340.02831.93
7.1.20.0720.01231.85
7.1.10.0790.01413.75
7.1.00.0530.00413.53
7.0.310.0800.02613.57
7.0.300.0910.03213.62
7.0.290.0370.00613.68
7.0.280.0580.01313.57
7.0.270.0370.02213.39
7.0.260.0300.01513.17
7.0.250.0720.02113.37
7.0.240.0740.00813.26
7.0.230.1350.01013.66
7.0.220.0520.02413.75
7.0.210.1550.01913.57
7.0.200.0800.01513.52
7.0.190.0350.00713.58
7.0.180.0420.01213.56
7.0.170.1080.01413.38
7.0.160.1080.02813.37
7.0.150.0450.01013.51
7.0.140.1070.02113.48
7.0.130.0750.02213.52
7.0.120.1530.01613.55
7.0.110.0540.01213.73
7.0.100.0530.01913.50
7.0.90.0990.01713.63
7.0.80.1080.01913.36
7.0.70.0700.01313.39
7.0.60.0510.01613.46
7.0.50.0850.02213.70
7.0.40.0220.00413.69
7.0.30.0330.01513.48
7.0.20.0780.01613.55
7.0.10.0660.01513.50
7.0.00.0520.01513.54
5.6.380.0450.01214.04
5.6.370.0290.03114.59
5.6.360.0280.00814.28
5.6.350.0290.00614.21
5.6.340.0380.01914.45
5.6.330.0080.03014.41
5.6.320.0270.01114.23
5.6.310.0370.00814.37
5.6.300.0350.01314.30
5.6.290.0350.01614.33
5.6.280.0310.02514.43
5.6.270.0300.02014.60
5.6.260.0230.02314.46
5.6.250.0290.02514.31
5.6.240.0190.00814.19
5.6.230.0230.01214.30
5.6.220.0260.02914.12
5.6.210.0310.03414.09
5.6.200.0190.03414.45
5.6.190.0430.02514.42
5.6.180.0180.01814.31
5.6.170.0230.01814.21
5.6.160.0240.00814.52
5.6.150.0390.01214.30
5.6.140.0140.01714.40
5.6.130.0430.01314.28
5.6.120.0520.01614.37
5.6.110.0390.01714.30
5.6.100.0430.01814.38
5.6.90.0270.01714.57
5.6.80.0400.02614.33
5.6.70.0230.00614.11
5.6.60.0350.02714.08
5.5.380.0300.00812.68
5.5.370.0280.03212.68
5.5.360.0280.01612.68
5.5.350.0260.01312.68
5.5.340.0290.01112.68
5.5.330.0300.02712.68
5.5.320.0450.01212.68
5.5.310.0240.02312.68
5.5.300.0140.01412.68
5.5.290.0150.00912.68
5.5.280.0200.00812.68
5.5.270.0360.02112.68
5.5.260.0440.02212.68
5.5.250.0200.01312.68
5.5.240.0120.01212.68
5.5.230.0270.01812.68
5.5.220.0320.02312.68
5.4.450.0290.02112.68
5.4.440.0400.01012.68
5.4.430.0410.00512.68
5.4.420.0390.01612.68
5.4.410.0430.01212.68
5.4.400.0320.02912.68
5.4.390.0290.00912.68

preferences:
40.42 ms | 401 KiB | 5 Q