3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = ""; $var2 = ""; $var1[0] = $var2[0] = "1"; $var1[1] = $var2[1] = "2"; $var1[2] = "2"; $var2[2] = "3"; $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)
8.3.60.0040.01116.61
8.3.50.0100.00817.32
8.3.40.0140.00718.75
8.3.30.0100.00718.61
8.3.20.0030.00618.77
8.3.10.0080.00020.59
8.3.00.0030.00619.26
8.2.180.0120.00616.32
8.2.170.0140.00022.96
8.2.160.0100.00321.07
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0110.01121.11
8.2.100.0070.00417.79
8.2.90.0040.00417.97
8.2.80.0040.00417.97
8.2.70.0060.00317.36
8.2.60.0050.00318.05
8.2.50.0030.00518.07
8.2.40.0040.00417.94
8.2.30.0050.00317.94
8.2.20.0040.00417.65
8.2.10.0040.00417.77
8.2.00.0020.00517.63
8.1.280.0110.00425.92
8.1.270.0000.00724.66
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0080.00022.05
8.1.230.0060.00620.95
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.13
8.1.190.0040.00417.30
8.1.180.0040.00418.10
8.1.170.0050.00318.80
8.1.160.0040.00418.93
8.1.150.0000.00718.63
8.1.140.0040.00417.50
8.1.130.0070.00017.73
8.1.120.0080.00017.43
8.1.110.0000.00717.43
8.1.100.0040.00417.34
8.1.90.0000.00817.48
8.1.80.0000.00717.40
8.1.70.0000.00717.42
8.1.60.0030.00617.58
8.1.50.0060.00317.36
8.1.40.0040.00417.56
8.1.30.0000.00717.64
8.1.20.0040.00417.60
8.1.10.0000.00717.50
8.1.00.0000.00717.27
8.0.300.0000.00720.08
8.0.290.0040.00416.63
8.0.280.0050.00318.45
8.0.270.0030.00317.25
8.0.260.0000.00716.72
8.0.250.0000.00716.84
8.0.240.0070.00016.87
8.0.230.0030.00316.95
8.0.220.0030.00516.78
8.0.210.0050.00216.84
8.0.200.0100.00016.93
8.0.190.0040.00416.91
8.0.180.0040.00716.97
8.0.170.0030.00616.87
8.0.160.0000.00716.87
8.0.150.0000.00716.79
8.0.140.0070.00016.82
8.0.130.0000.00613.40
8.0.120.0050.00216.88
8.0.110.0100.00016.71
8.0.100.0000.00716.95
8.0.90.0080.00016.89
8.0.80.0030.01316.77
8.0.70.0040.00416.79
8.0.60.0000.00716.70
8.0.50.0080.00016.87
8.0.30.0150.00317.09
8.0.20.0130.00516.95
8.0.10.0040.00416.81
8.0.00.0060.01316.83
7.4.330.0050.00012.98
7.4.320.0000.00616.49
7.4.300.0030.00316.55
7.4.290.0030.00316.50
7.4.280.0030.00316.60
7.4.270.0070.00016.50
7.4.260.0030.00313.21
7.4.250.0000.00816.48
7.4.240.0000.00716.49
7.4.230.0020.00516.60
7.4.220.0070.01616.53
7.4.210.0080.00716.55
7.4.200.0030.00316.60
7.4.190.0030.00316.55
7.4.160.0100.01016.28
7.4.150.0070.01116.54
7.4.140.0080.00916.30
7.4.130.0130.00516.31
7.4.120.0090.00916.29
7.4.110.0060.01016.36
7.4.100.0110.01316.42
7.4.90.0030.01416.43
7.4.80.0090.00916.43
7.4.70.0080.00816.36
7.4.60.0060.01016.40
7.4.50.0050.00516.31
7.4.40.0060.01016.09
7.4.30.0080.00816.51
7.4.00.0040.01015.10
7.3.330.0000.00613.09
7.3.320.0000.00513.21
7.3.310.0070.00016.19
7.3.300.0000.00716.32
7.3.290.0000.01416.29
7.3.280.0100.00816.30
7.3.270.0070.01016.41
7.3.260.0120.00616.48
7.3.250.0130.01316.58
7.3.240.0100.00716.36
7.3.230.0130.00916.51
7.3.210.0100.00616.57
7.3.200.0090.00919.39
7.3.190.0040.01616.48
7.3.180.0080.00816.41
7.3.170.0030.01316.29
7.3.160.0090.00616.34
7.3.120.0070.00815.14
7.3.110.0120.00415.28
7.3.100.0070.00715.28
7.3.90.0070.00715.28
7.3.80.0070.00715.28
7.3.70.0060.00815.28
7.3.60.0030.01015.28
7.3.50.0030.00715.28
7.3.40.0030.01515.28
7.3.30.0000.01415.28
7.3.20.0090.00316.68
7.3.10.0040.01216.71
7.3.00.0040.00716.50
7.2.330.0080.01216.52
7.2.320.0040.01716.32
7.2.310.0130.00516.74
7.2.300.0080.00816.59
7.2.290.0060.01016.67
7.2.250.0070.01115.28
7.2.240.0100.00715.28
7.2.230.0060.00915.28
7.2.220.0120.00015.28
7.2.210.0040.00415.28
7.2.200.0090.00415.28
7.2.190.0030.01715.28
7.2.180.0000.01515.28
7.2.170.0070.00715.28
7.2.60.0030.00916.72
7.2.00.0040.01119.12
7.1.330.0060.01015.73
7.1.320.0040.01115.63
7.1.310.0100.00315.86
7.1.300.0060.00315.77
7.1.290.0030.01215.81
7.1.280.0070.00715.57
7.1.270.0030.01415.76
7.1.260.0110.00415.98
7.1.200.0120.00715.25
7.1.70.0000.00817.02
7.1.60.0040.01117.17
7.1.50.0070.00716.96
7.1.00.0000.03722.30
7.0.200.0090.00616.73
7.0.140.0200.06021.98
7.0.120.0030.03322.00
7.0.60.0000.04319.86
7.0.50.0000.04317.85
7.0.40.0070.04720.12
7.0.30.0300.06720.21
7.0.20.0230.04320.16
7.0.10.0370.06720.09
7.0.00.0130.06320.09
5.6.280.0070.07020.77
5.6.210.0030.04020.76
5.6.200.0030.07018.15
5.6.190.0070.06720.56
5.6.180.0030.05320.61
5.6.170.0500.06020.45
5.6.160.0070.08320.52
5.6.150.0070.05018.15
5.6.140.0100.07018.14
5.6.130.0070.08018.11
5.6.120.0000.05021.09
5.6.110.0130.06021.00
5.6.100.0100.06021.10
5.6.90.0100.08020.95
5.6.80.0100.06720.40
5.6.70.0270.07320.49
5.5.350.0100.04020.41
5.5.340.0070.06017.89
5.5.330.0100.05720.23
5.5.320.0070.08320.20
5.5.310.0170.05020.31
5.5.300.0070.04017.95
5.5.290.0070.04317.95
5.5.280.0070.08320.98
5.5.270.0070.05720.97
5.5.260.0100.04020.64
5.5.250.0130.05720.57
5.5.240.0130.07320.23
5.4.450.0200.03019.46
5.4.440.0070.03319.23
5.4.430.0100.03719.44
5.4.420.0170.03019.32
5.4.410.0030.04019.12
5.4.400.0030.03718.79
5.4.390.0070.03318.79
5.4.380.0030.08018.92
5.4.370.0100.04319.13
5.4.360.0130.05718.80
5.4.350.0170.07019.14
5.4.340.0100.07318.79
5.4.320.0100.07718.91
5.4.310.0070.05319.17
5.4.300.0030.04318.80
5.4.290.0030.04318.91
5.4.280.0130.04719.00
5.4.270.0100.07318.81
5.4.260.0130.07719.11
5.4.250.0070.04019.10
5.4.240.0130.03719.00
5.4.230.0030.07719.18
5.4.220.0030.04719.16
5.4.210.0100.04319.15
5.4.200.0070.03318.77
5.4.190.0100.03718.99
5.4.180.0030.06018.90
5.4.170.0100.07319.07
5.4.160.0070.07319.12
5.4.150.0000.05318.79
5.4.140.0030.04716.27
5.4.130.0170.05316.24
5.4.120.0030.07716.31
5.4.110.0070.06016.32
5.4.100.0100.03716.24
5.4.90.0030.05716.24
5.4.80.0070.06016.32
5.4.70.0030.04716.35
5.4.60.0100.05016.21
5.4.50.0070.05016.36
5.4.40.0130.05716.25
5.4.30.0130.04316.23
5.4.20.0030.04016.12
5.4.10.0030.03716.21
5.4.00.0130.05715.82
5.3.290.0100.06314.45
5.3.280.0070.07314.61
5.3.270.0100.03314.53
5.3.260.0000.06314.54
5.3.250.0130.07314.53
5.3.240.0170.02714.54
5.3.230.0130.06314.55
5.3.220.0170.07014.44
5.3.210.0100.07714.58
5.3.200.0070.06014.50
5.3.190.0070.07314.36
5.3.180.0130.04314.48
5.3.170.0100.07714.49
5.3.160.0070.06014.48
5.3.150.0200.04014.53
5.3.140.0100.07314.49
5.3.130.0100.05314.51
5.3.120.0070.06714.48
5.3.110.0100.07014.43
5.3.100.0000.08713.91
5.3.90.0030.07713.98
5.3.80.0100.06713.89
5.3.70.0100.05713.98
5.3.60.0030.07013.84
5.3.50.0070.07013.88
5.3.40.0100.04713.89
5.3.30.0030.08013.89
5.3.20.0030.06313.48
5.3.10.0130.05013.59
5.3.00.0070.06013.55
5.2.170.0130.05011.04
5.2.160.0030.03010.96
5.2.150.0100.05011.14
5.2.140.0000.05011.04
5.2.130.0130.03311.04
5.2.120.0070.06311.00
5.2.110.0070.05711.00
5.2.100.0000.04010.98
5.2.90.0030.03310.96
5.2.80.0100.03011.08
5.2.70.0000.04311.03
5.2.60.0030.03010.99
5.2.50.0130.02710.98
5.2.40.0100.04310.97
5.2.30.0030.03010.94
5.2.20.0030.03710.94
5.2.10.0030.06310.85
5.2.00.0030.04310.76
5.1.60.0030.0479.95
5.1.50.0030.05010.00
5.1.40.0030.0439.98
5.1.30.0100.05710.41
5.1.20.0030.05310.39
5.1.10.0030.04310.06
5.1.00.0030.02710.05
5.0.50.0070.0409.56
5.0.40.0030.0339.56
5.0.30.0070.0609.56
5.0.20.0030.0439.56
5.0.10.0030.0209.56
5.0.00.0030.0509.56
4.4.90.0030.0279.56
4.4.80.0000.0209.56
4.4.70.0000.0179.56
4.4.60.0070.0209.56
4.4.50.0000.0239.56
4.4.40.0030.0479.56
4.4.30.0030.0409.56
4.4.20.0070.0309.56
4.4.10.0030.0239.56
4.4.00.0000.0309.56
4.3.110.0000.0239.56
4.3.100.0030.0339.56
4.3.90.0070.0339.56
4.3.80.0030.0579.56
4.3.70.0000.0239.56
4.3.60.0030.0339.56
4.3.50.0030.0179.56
4.3.40.0000.0239.56
4.3.30.0000.0379.56
4.3.20.0000.0339.56
4.3.10.0030.0309.56
4.3.00.0000.0379.56

preferences:
37.89 ms | 401 KiB | 5 Q