3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'a'; echo isset($a['b']);

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)
8.3.40.0000.01518.53
8.3.30.0070.00718.60
8.3.20.0000.00718.69
8.3.10.0040.00418.77
8.3.00.0060.00319.38
8.2.170.0140.00322.96
8.2.160.0120.00318.79
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.12
8.2.110.0090.00019.20
8.2.100.0040.00818.03
8.2.90.0000.00819.21
8.2.80.0030.00517.97
8.2.70.0070.00317.75
8.2.60.0000.00817.93
8.2.50.0050.00318.10
8.2.40.0040.00418.22
8.2.30.0030.00617.79
8.2.20.0100.00017.73
8.2.10.0040.00417.56
8.2.00.0000.01117.48
8.1.270.0030.00523.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.91
8.1.230.0060.00617.89
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0030.00817.35
8.1.190.0000.00917.22
8.1.180.0030.00518.10
8.1.170.0030.00618.41
8.1.160.0040.00419.05
8.1.150.0000.00718.61
8.1.140.0070.00017.38
8.1.130.0070.00019.16
8.1.120.0000.00817.39
8.1.110.0040.00417.45
8.1.100.0080.00017.38
8.1.90.0030.00317.38
8.1.80.0050.00217.40
8.1.70.0000.00717.29
8.1.60.0040.00417.43
8.1.50.0000.00817.38
8.1.40.0090.00017.39
8.1.30.0060.00317.49
8.1.20.0050.00317.51
8.1.10.0040.00417.50
8.1.00.0000.00717.39
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0000.00718.44
8.0.270.0030.00317.23
8.0.260.0030.00316.77
8.0.250.0040.00716.96
8.0.240.0030.00316.80
8.0.230.0000.00716.84
8.0.220.0030.00316.82
8.0.210.0000.00716.71
8.0.200.0070.00016.79
8.0.190.0000.00716.74
8.0.180.0000.00816.87
8.0.170.0040.00416.86
8.0.160.0000.00816.82
8.0.150.0040.00416.74
8.0.140.0040.00416.66
8.0.130.0060.00013.23
8.0.120.0060.00316.70
8.0.110.0000.00716.60
8.0.100.0080.00016.88
8.0.90.0070.00016.80
8.0.80.0030.01816.80
8.0.70.0000.00716.68
8.0.60.0080.00016.68
8.0.50.0040.00416.80
8.0.30.0110.00717.01
8.0.20.0100.01016.85
8.0.10.0000.00816.93
8.0.00.0100.01016.58
7.4.330.0060.00012.90
7.4.320.0030.00716.46
7.4.300.0030.00316.49
7.4.290.0060.00016.53
7.4.280.0060.00316.48
7.4.270.0000.00716.52
7.4.260.0050.00013.19
7.4.250.0060.00316.40
7.4.240.0030.00316.49
7.4.230.0040.00416.27
7.4.220.0090.00916.30
7.4.210.0110.00716.55
7.4.200.0030.00316.63
7.4.190.0000.00816.59
7.4.160.0130.00316.53
7.4.150.0150.00916.43
7.4.140.0090.01017.86
7.4.130.0110.01016.51
7.4.120.0110.00616.65
7.4.110.0160.00616.39
7.4.100.0090.00916.37
7.4.90.0180.00616.54
7.4.80.0080.00816.55
7.4.70.0100.00716.31
7.4.60.0120.00416.27
7.4.50.0030.00616.39
7.4.40.0100.00716.29
7.4.30.0130.00316.28
7.4.00.0030.01314.80
7.3.330.0000.00613.03
7.3.320.0000.00613.15
7.3.310.0000.00716.17
7.3.300.0040.00416.28
7.3.290.0070.00716.19
7.3.280.0110.00316.20
7.3.270.0100.00716.14
7.3.260.0150.00416.21
7.3.240.0090.00616.48
7.3.230.0070.01016.18
7.3.210.0130.00316.46
7.3.200.0150.00619.39
7.3.190.0060.01016.45
7.3.180.0130.00316.16
7.3.170.0030.01316.29
7.3.160.0090.00616.20
7.3.120.0030.01214.70
7.3.10.0070.00716.25
7.3.00.0060.00616.49
7.2.330.0080.00816.32
7.2.320.0030.01716.57
7.2.310.0050.01316.47
7.2.300.0080.00816.63
7.2.290.0000.01616.71
7.2.130.0120.00316.64
7.2.120.0080.00616.54
7.2.110.0050.00816.25
7.2.100.0020.01016.46
7.2.90.0050.00716.63
7.2.80.0070.00516.53
7.2.70.0060.00816.57
7.2.60.0080.01216.69
7.2.50.0150.00216.59
7.2.40.0110.00716.50
7.2.30.0120.00516.69
7.2.20.0120.00416.56
7.2.10.0110.00416.68
7.2.00.0120.00516.74
7.1.250.0070.00515.48
7.1.100.0050.00817.98
7.1.70.0050.00217.11
7.1.60.0070.01719.25
7.1.50.0100.01016.69
7.1.00.0130.06722.31
7.0.200.0000.00816.32
7.0.140.0070.07022.12
7.0.120.0070.06722.05
7.0.60.0300.05719.96
7.0.50.0070.06017.79
7.0.40.0130.08320.02
7.0.30.0030.05320.24
7.0.20.0070.04320.23
7.0.10.0070.04320.20
7.0.00.0030.05720.11
5.6.280.0070.06720.98
5.6.210.0030.04720.60
5.6.200.0100.03718.18
5.6.190.0070.04320.27
5.6.180.0000.06320.41
5.6.170.0070.04720.35
5.6.160.0070.06320.56
5.6.150.0070.08020.40
5.6.140.0130.07020.11
5.6.130.0070.04320.40
5.6.120.0130.03320.46
5.6.110.0030.04320.42
5.6.100.0030.04320.39
5.6.90.0100.03720.41
5.6.80.0000.04319.48
5.6.70.0000.04319.74
5.6.60.0070.03719.69
5.6.50.0030.04019.76
5.6.40.0070.03719.47
5.6.30.0030.04019.57
5.6.20.0030.04019.67
5.6.10.0030.04019.81
5.6.00.0070.05019.69
5.5.350.0200.04320.42
5.5.340.0030.04017.91
5.5.330.0070.05020.23
5.5.320.0030.07720.59
5.5.310.0070.05720.19
5.5.300.0070.06320.17
5.5.290.0100.08020.20
5.5.280.0130.06320.07
5.5.270.0000.04720.24
5.5.260.0030.04020.11
5.5.250.0000.04319.77
5.5.240.0000.05319.59
5.5.230.0000.04319.58
5.5.220.0100.04019.52
5.5.210.0100.03319.49
5.5.200.0070.03719.60
5.5.190.0000.04319.51
5.5.180.0070.03719.32
5.5.160.0030.04019.27
5.5.150.0030.04019.61
5.5.140.0070.03719.46
5.5.130.0070.03719.60
5.5.120.0030.05319.60
5.5.110.0030.04319.26
5.5.100.0030.03719.22
5.5.90.0070.04319.39
5.5.80.0030.04019.21
5.5.70.0000.04319.38
5.5.60.0030.04019.21
5.5.50.0000.08019.49
5.5.40.0070.03719.43
5.5.30.0030.05719.25
5.5.20.0000.08719.46
5.5.10.0100.07319.25
5.5.00.0130.03319.38
5.4.450.0030.04019.13
5.4.440.0070.04319.34
5.4.430.0030.04019.50
5.4.420.0030.04019.24
5.4.410.0030.03719.37
5.4.400.0070.03719.16
5.4.390.0000.04019.18
5.4.380.0030.03719.16
5.4.370.0070.03719.00
5.4.360.0070.03319.08
5.4.350.0070.03318.91
5.4.340.0070.03319.18
5.4.320.0030.03719.05
5.4.310.0000.04018.79
5.4.300.0030.03718.91
5.4.290.0030.03719.11
5.4.280.0000.04019.19
5.4.270.0030.03719.17
5.4.260.0030.03719.00
5.4.250.0000.04319.17
5.4.240.0030.03718.99
5.4.230.0100.06018.91
5.4.220.0070.07319.14
5.4.210.0130.04319.17
5.4.200.0130.06719.20
5.4.190.0100.06019.07
5.4.180.0030.03719.07
5.4.170.0100.04719.13
5.4.160.0100.05318.77
5.4.150.0200.06319.05
5.4.140.0070.04716.39
5.4.130.0100.06016.36
5.4.120.0100.05316.32
5.4.110.0030.07716.38
5.4.100.0070.04316.35
5.4.90.0130.06316.41
5.4.80.0070.07016.35
5.4.70.0100.05316.38
5.4.60.0100.06016.59
5.4.50.0000.04016.21
5.4.40.0070.03316.36
5.4.30.0100.03016.34
5.4.20.0030.04316.32
5.4.10.0070.08316.26
5.4.00.0130.07015.64
5.3.290.0000.04014.63
5.3.280.0030.07014.41
5.3.270.0200.06314.52
5.3.260.0100.03314.53
5.3.250.0030.04014.42
5.3.240.0070.04314.50
5.3.230.0070.06014.53
5.3.220.0100.03014.35
5.3.210.0000.08014.49
5.3.200.0000.06314.44
5.3.190.0070.04714.54
5.3.180.0100.03014.49
5.3.170.0100.05714.50
5.3.160.0100.04314.48
5.3.150.0000.04714.48
5.3.140.0100.03014.47
5.3.130.0070.07014.49
5.3.120.0030.04714.48
5.3.110.0100.07714.48
5.3.100.0030.08014.04
5.3.90.0070.07013.81
5.3.80.0030.04713.83
5.3.70.0070.06713.95
5.3.60.0130.05714.09
5.3.50.0000.04313.92
5.3.40.0030.07713.77
5.3.30.0130.04014.00
5.3.20.0070.06713.50
5.3.10.0070.06713.58
5.3.00.0070.07013.47
5.2.170.0030.03011.14
5.2.160.0070.05710.96
5.2.150.0000.04311.14
5.2.140.0070.02711.07
5.2.130.0070.06310.95
5.2.120.0000.06711.08
5.2.110.0030.04711.10
5.2.100.0070.05311.05
5.2.90.0100.04711.25
5.2.80.0070.06011.16
5.2.70.0100.03311.17
5.2.60.0030.05711.05
5.2.50.0100.04310.95
5.2.40.0100.05010.92
5.2.30.0070.06310.87
5.2.20.0030.04010.94
5.2.10.0030.05010.71
5.2.00.0070.03710.56
5.1.60.0030.0539.83
5.1.50.0030.0339.98
5.1.40.0000.0279.92
5.1.30.0100.03310.22
5.1.20.0070.02710.41
5.1.10.0030.03010.06
5.1.00.0070.02710.02
5.0.50.0070.0438.53
5.0.40.0000.0478.45
5.0.30.0070.0308.29
5.0.20.0030.0278.20
5.0.10.0030.0238.31
5.0.00.0000.0778.30
4.4.90.0000.0237.57
4.4.80.0000.0377.57
4.4.70.0030.0337.57
4.4.60.0000.0277.57
4.4.50.0000.0337.57
4.4.40.0030.0307.57
4.4.30.0000.0177.57
4.4.20.0030.0337.57
4.4.10.0030.0307.57
4.4.00.0000.0507.57
4.3.110.0030.0307.57
4.3.100.0000.0337.57
4.3.90.0000.0207.57
4.3.80.0030.0537.57
4.3.70.0070.0307.57
4.3.60.0030.0337.57
4.3.50.0000.0377.57
4.3.40.0000.0377.57
4.3.30.0000.0207.57
4.3.20.0000.0207.57
4.3.10.0030.0337.57
4.3.00.0030.0337.57

preferences:
43.42 ms | 400 KiB | 5 Q