3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = str_repeat(" ", 4); $var2 = str_repeat(" ", 4); $var1[0] = $var2[0] = "1"; $var1[1] = "2"; $var2[1] = "3"; $var1[2] = $var2[2] = "4"; $var1[3] = $var2[3] = "5"; echo 'Var1: ' . $var1 . ', Var2: ' . $var2;

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)
8.3.60.0140.00316.50
8.3.50.0120.00516.49
8.3.40.0070.00718.88
8.3.30.0070.00718.53
8.3.20.0040.00418.60
8.3.10.0050.00320.49
8.3.00.0110.00417.59
8.2.180.0100.01016.38
8.2.170.0000.01522.96
8.2.160.0070.00722.12
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00419.95
8.2.110.0030.00622.26
8.2.100.0080.00317.78
8.2.90.0080.00017.84
8.2.80.0090.00019.11
8.2.70.0030.00517.63
8.2.60.0050.00317.50
8.2.50.0040.00417.63
8.2.40.0030.00617.75
8.2.30.0090.00019.79
8.2.20.0000.00717.61
8.2.10.0100.00017.74
8.2.00.0060.00317.60
8.1.280.0150.00025.92
8.1.270.0040.00424.66
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0160.00020.72
8.1.230.0090.00321.03
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0070.00417.35
8.1.180.0080.00018.10
8.1.170.0040.00417.62
8.1.160.0050.00318.80
8.1.150.0040.00418.55
8.1.140.0000.00817.42
8.1.130.0000.00817.82
8.1.120.0000.00817.36
8.1.110.0070.00017.40
8.1.100.0040.00417.48
8.1.90.0070.00017.29
8.1.80.0070.00017.41
8.1.70.0030.00317.36
8.1.60.0000.00717.62
8.1.50.0050.00317.44
8.1.40.0060.00317.46
8.1.30.0030.00517.56
8.1.20.0040.00417.50
8.1.10.0060.00317.38
8.1.00.0060.00317.47
8.0.300.0000.00720.04
8.0.290.0040.00416.75
8.0.280.0040.00418.44
8.0.270.0000.00716.73
8.0.260.0040.00416.73
8.0.250.0040.00416.95
8.0.240.0030.00616.99
8.0.230.0030.00316.99
8.0.220.0030.00316.78
8.0.210.0000.00716.91
8.0.200.0060.00317.01
8.0.190.0090.00016.98
8.0.180.0000.00716.85
8.0.170.0090.00016.96
8.0.160.0000.00716.84
8.0.150.0000.00816.93
8.0.140.0120.00016.86
8.0.130.0030.00313.32
8.0.120.0060.00316.88
8.0.110.0050.00216.95
8.0.100.0040.00416.84
8.0.90.0000.00716.94
8.0.80.0090.00616.93
8.0.70.0080.00016.86
8.0.60.0040.00416.67
8.0.50.0050.00216.78
8.0.30.0090.01017.32
8.0.20.0140.00517.25
8.0.10.0080.00017.08
8.0.00.0140.00316.76
7.4.330.0020.00213.05
7.4.320.0060.00016.61
7.4.300.0000.00616.61
7.4.290.0040.00416.57
7.4.280.0060.00316.61
7.4.270.0040.00416.49
7.4.260.0030.00313.22
7.4.250.0040.00416.56
7.4.240.0040.00416.49
7.4.230.0050.00216.52
7.4.220.0000.01616.60
7.4.210.0080.00816.54
7.4.200.0070.00016.60
7.4.190.0000.00716.58
7.4.160.0110.01116.53
7.4.150.0190.00916.40
7.4.140.0100.00916.37
7.4.130.0070.01016.37
7.4.120.0070.00916.48
7.4.110.0070.01116.62
7.4.100.0060.01016.46
7.4.90.0070.01716.38
7.4.80.0100.00716.57
7.4.70.0060.01316.53
7.4.60.0150.00316.30
7.4.50.0000.00816.33
7.4.40.0070.00716.52
7.4.30.0030.01316.44
7.4.00.0090.00614.89
7.3.330.0060.00013.23
7.3.320.0030.00313.26
7.3.310.0000.00716.32
7.3.300.0030.00316.24
7.3.290.0100.00616.34
7.3.280.0100.00716.35
7.3.270.0160.00016.28
7.3.260.0120.01116.40
7.3.250.0090.01216.44
7.3.240.0130.00316.42
7.3.230.0060.00916.39
7.3.210.0110.00516.26
7.3.200.0130.00319.39
7.3.190.0110.00716.64
7.3.180.0110.00516.33
7.3.170.0100.00716.53
7.3.160.0080.00816.38
7.3.120.0080.00814.96
7.2.330.0040.01516.89
7.2.320.0090.01216.45
7.2.310.0060.01716.58
7.2.300.0030.01316.69
7.2.290.0120.00616.39
7.2.00.0040.00719.51
7.1.100.0090.01317.98
7.1.70.0060.01217.20
7.1.60.0030.02019.40
7.1.50.0130.00916.79
7.1.00.0000.06322.43
7.0.200.0000.00716.72
7.0.140.0030.07322.01
7.0.120.0070.07022.04
7.0.60.0070.04019.96
7.0.50.0130.04717.89
7.0.40.0070.05020.05
7.0.30.0270.06720.21
7.0.20.0330.07020.16
7.0.10.0030.05720.21
7.0.00.0030.04020.01
5.6.280.0000.07721.02
5.6.210.0100.05320.50
5.6.200.0030.04318.24
5.6.190.0000.05020.43
5.6.180.0400.07020.43
5.6.170.0200.04320.40
5.6.160.0100.08020.51
5.6.150.0170.06318.21
5.6.140.0100.07018.13
5.6.130.0100.07318.18
5.6.120.0100.08321.03
5.6.110.0100.05720.98
5.6.100.0130.08021.00
5.6.90.0070.08321.07
5.6.80.0070.08320.39
5.5.350.4330.03720.42
5.5.340.0100.05317.95
5.5.330.0070.07020.21
5.5.320.0070.05020.18
5.5.310.0270.03720.28
5.5.300.0070.06717.88
5.5.290.0170.07318.07
5.5.280.0130.07320.84
5.5.270.0030.04320.84
5.5.260.0200.06320.74
5.5.250.0100.07720.64
5.5.240.0270.05720.36
5.4.450.4330.04019.41
5.4.440.3430.03719.57
5.4.430.3400.04019.54
5.4.420.3900.04019.48
5.4.410.4270.04319.00
5.4.400.3630.03719.09
5.4.390.4300.03718.88
5.4.380.4700.04318.81
5.4.370.4330.03718.90
5.4.360.4370.03018.91
5.4.350.3730.03719.25
5.4.340.0570.03718.79
5.4.320.4370.03319.09
5.4.310.3500.03319.13
5.4.300.3670.03318.88
5.4.290.3470.02719.13
5.4.280.4270.04019.15
5.4.270.3670.03719.25
5.4.260.3400.04019.13
5.4.250.3570.03018.87
5.4.240.3530.04019.15
5.4.230.2470.03719.16
5.4.220.3470.03718.89
5.4.210.3270.03719.15
5.4.200.3570.03318.91
5.4.190.3270.03318.77
5.4.180.3300.04018.78
5.4.170.1800.03319.15
5.4.160.1400.03319.02
5.4.150.2230.04019.11
5.4.140.2830.03316.16
5.4.130.2470.04016.27
5.4.120.2630.03316.18
5.4.110.3670.03716.43
5.4.100.3270.04016.20
5.4.90.3500.04016.06
5.4.80.3400.03316.41
5.4.70.3430.03316.37
5.4.60.3100.03316.37
5.4.50.3570.02716.43
5.4.40.3100.03716.38
5.4.30.3200.02716.36
5.4.20.3300.03716.41
5.4.10.0300.03716.46
5.4.00.0330.03015.73
5.3.290.4130.03314.61
5.3.280.0000.05714.62
5.3.270.0870.04014.65
5.3.260.1870.03714.69
5.3.250.3070.03314.45
5.3.240.2530.03314.59
5.3.230.3330.04014.59
5.3.220.3370.04014.52
5.3.210.3430.03014.42
5.3.200.3430.03714.59
5.3.190.3400.04014.54
5.3.180.3430.03714.44
5.3.170.3370.04014.55
5.3.160.2770.04014.49
5.3.150.3200.04014.59
5.3.140.3430.04014.39
5.3.130.3470.04014.40
5.3.120.3230.03314.48
5.3.110.1830.04014.63
5.3.100.0270.04313.98
5.3.90.0500.03013.94
5.3.80.0470.03313.87
5.3.70.0400.03314.05
5.3.60.0300.04313.84
5.3.50.0400.03713.79
5.3.40.0430.03313.93
5.3.30.0600.04713.96
5.3.20.0330.04313.63
5.3.10.0500.04313.45
5.3.00.0470.04013.61
5.2.170.0330.03711.24
5.2.160.0270.03311.30
5.2.150.0370.03010.99
5.2.140.0430.03010.99
5.2.130.0270.05311.04
5.2.120.0500.05310.96
5.2.110.0530.04711.10
5.2.100.0430.03011.04
5.2.90.0400.05711.15
5.2.80.0470.04311.00
5.2.70.0530.05011.03
5.2.60.0500.05310.90
5.2.50.0370.05710.86
5.2.40.0300.04010.82
5.2.30.0370.05010.91
5.2.20.0400.04010.79
5.2.10.0300.04310.72
5.2.00.0300.05010.63
5.1.60.0470.0409.97
5.1.50.0330.0239.85
5.1.40.0230.0509.89
5.1.30.0200.04010.28
5.1.20.0370.04010.29
5.1.10.0370.05010.04
5.1.00.0370.04710.23
5.0.50.0070.0478.47
5.0.40.0170.0238.34
5.0.30.0230.0578.27
5.0.20.0200.0338.07
5.0.10.0130.0308.15
5.0.00.0200.0338.14
4.4.90.0230.0306.50
4.4.80.0200.0336.50
4.4.70.0200.0336.50
4.4.60.0230.0276.50
4.4.50.0200.0176.50
4.4.40.0130.0406.50
4.4.30.0230.0306.50
4.4.20.0130.0336.50
4.4.10.0300.0176.50
4.4.00.0200.0406.50
4.3.110.0170.0236.50
4.3.100.0200.0336.50
4.3.90.0130.0236.50
4.3.80.0130.0306.50
4.3.70.0170.0176.50
4.3.60.0270.0276.50
4.3.50.0200.0336.50
4.3.40.0270.0376.50
4.3.30.0100.0336.50
4.3.20.0130.0336.50
4.3.10.0100.0376.50
4.3.00.0100.0306.50

preferences:
42.57 ms | 401 KiB | 5 Q