3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "3jfjdlksf"; if (!isset($string{5})) { $data++; }

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)
8.3.40.0000.01519.02
8.3.30.0070.00720.20
8.3.20.0040.00420.27
8.3.10.0050.00321.92
8.3.00.0040.00422.57
8.2.170.0120.00622.96
8.2.160.0130.00022.31
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.64
8.2.110.0040.00422.11
8.2.100.0040.00717.78
8.2.90.0050.00319.39
8.2.80.0040.00419.41
8.2.70.0030.00717.63
8.2.60.0080.00017.93
8.2.50.0060.00318.07
8.2.40.0050.00318.22
8.2.30.0040.00718.18
8.2.20.0040.00417.65
8.2.10.0040.00417.58
8.2.00.0070.00417.58
8.1.270.0080.00024.66
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.92
8.1.230.0030.00818.91
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0040.00417.53
8.1.180.0040.00419.01
8.1.170.0000.01018.68
8.1.160.0000.00722.09
8.1.150.0040.00418.69
8.1.140.0000.00717.48
8.1.130.0000.00717.75
8.1.120.0040.00417.43
8.1.110.0080.00017.43
8.1.100.0000.00717.48
8.1.90.0040.00417.41
8.1.80.0040.00417.38
8.1.70.0000.00717.37
8.1.60.0030.00617.57
8.1.50.0090.00017.49
8.1.40.0070.00017.41
8.1.30.0020.00517.62
8.1.20.0000.00817.62
8.1.10.0040.00417.53
8.1.00.0080.00017.46
8.0.300.0030.00318.77
8.0.290.0040.00417.05
8.0.280.0030.00318.39
8.0.270.0000.00717.29
8.0.260.0000.00616.92
8.0.250.0000.00716.99
8.0.240.0040.00416.93
8.0.230.0040.00416.96
8.0.220.0080.00016.77
8.0.210.0040.00416.79
8.0.200.0040.00416.92
8.0.190.0080.00016.97
8.0.180.0070.00016.93
8.0.170.0070.00016.81
8.0.160.0000.00716.76
8.0.150.0070.00016.78
8.0.140.0000.00716.73
8.0.130.0060.00013.27
8.0.120.0000.00916.80
8.0.110.0000.00816.85
8.0.100.0030.00516.77
8.0.90.0000.00716.79
8.0.80.0130.00316.87
8.0.70.0030.00516.77
8.0.60.0040.00416.70
8.0.50.0040.00416.90
8.0.30.0070.01117.20
8.0.20.0090.01017.40
8.0.10.0050.00316.85
8.0.00.0070.01116.71
7.4.330.0070.00015.00
7.4.320.0030.00316.51
7.4.300.0000.00716.59
7.4.290.0000.00716.39
7.4.280.0000.00816.41
7.4.270.0000.00716.64
7.4.260.0030.00316.38
7.4.250.0070.00016.38
7.4.240.0020.00516.42
7.4.230.0030.00316.64
7.4.220.0070.01116.42
7.4.210.0060.00816.46
7.4.200.0030.00316.63
7.4.190.0030.00416.69
7.4.160.0090.00916.48
7.4.150.0100.01017.40
7.4.140.0090.00817.86
7.4.130.0080.00816.55
7.4.120.0100.00816.33
7.4.110.0070.01016.49
7.4.100.0120.01316.42
7.4.90.0070.01016.67
7.4.80.0110.01419.39
7.4.70.0070.01016.48
7.4.60.0070.01016.51
7.4.50.0030.00516.46
7.4.40.0060.00822.77
7.4.30.0060.01016.43
7.4.00.0090.00614.80
7.3.330.0000.00513.10
7.3.320.0000.00513.12
7.3.310.0030.00316.19
7.3.300.0060.00016.23
7.3.290.0090.00616.24
7.3.280.0120.00516.20
7.3.270.0030.01617.40
7.3.260.0000.01716.08
7.3.250.0090.00816.28
7.3.240.0140.00716.23
7.3.230.0150.00616.46
7.3.210.0070.01016.33
7.3.200.0140.00919.39
7.3.190.0130.01116.12
7.3.180.0160.00516.46
7.3.170.0120.00316.27
7.3.160.0090.00916.23
7.3.120.0070.01014.93
7.3.110.0070.01014.88
7.3.100.0110.00414.83
7.3.90.0060.00314.71
7.3.80.0060.00914.45
7.3.70.0040.00414.80
7.3.60.0090.00914.79
7.3.50.0040.01114.65
7.3.40.0000.00914.79
7.3.30.0040.01114.64
7.3.20.0000.01116.63
7.3.10.0070.00716.77
7.3.00.0060.00616.68
7.2.330.0070.01016.60
7.2.320.0060.01616.62
7.2.310.0130.00316.38
7.2.300.0030.01316.47
7.2.290.0090.00616.55
7.2.250.0080.00914.87
7.2.240.0130.00614.84
7.2.230.0060.00614.89
7.2.220.0000.01114.93
7.2.210.0110.00314.91
7.2.200.0110.00415.11
7.2.190.0030.00614.58
7.2.180.0000.01414.52
7.2.170.0040.00715.02
7.2.00.0030.01419.11
7.1.330.0040.01115.78
7.1.320.0080.00415.71
7.1.310.0110.00315.74
7.1.300.0040.00815.69
7.1.290.0000.01215.71
7.1.280.0000.01215.49
7.1.270.0060.00615.87
7.1.260.0030.01015.69
7.1.100.0090.00918.10
7.1.70.0070.00317.01
7.1.60.0130.00919.43
7.1.50.0060.01016.62
7.1.00.0000.03722.36
7.0.200.0040.01216.35
7.0.140.0100.06321.95
7.0.100.0070.04320.04
7.0.90.0130.04320.13
7.0.80.0000.03719.87
7.0.70.0130.07019.89
7.0.60.0130.07319.90
7.0.50.0170.08020.30
7.0.40.0100.06019.95
7.0.30.0070.07719.95
7.0.20.0070.07719.96
7.0.10.0130.08020.10
7.0.00.0100.06320.12
5.6.280.0100.06721.14
5.6.250.0070.04020.62
5.6.240.0000.04720.50
5.6.230.0000.05020.49
5.6.220.0030.07020.60
5.6.210.0070.06320.68
5.6.200.0130.07321.13
5.6.190.0100.07721.13
5.6.180.0070.04721.03
5.6.170.0100.07721.04
5.6.160.0000.05321.07
5.6.150.0030.06321.03
5.6.140.0130.04321.04
5.6.130.0030.07721.07
5.6.120.0070.07321.07
5.6.110.0130.06720.98
5.6.100.0070.07321.15
5.6.90.0070.04721.14
5.6.80.0030.04320.39
5.6.70.0030.07720.30
5.6.60.0100.07720.50
5.6.50.0100.07020.43
5.6.40.0100.05720.41
5.6.30.0070.07020.39
5.6.20.0070.05720.36
5.6.10.0100.07020.46
5.6.00.0100.08020.29
5.5.380.0030.04020.41
5.5.370.0000.04320.41
5.5.360.0030.04020.43
5.5.350.0070.05020.33
5.5.340.0070.04020.93
5.5.330.0070.04720.78
5.5.320.0070.08020.92
5.5.310.0230.06720.78
5.5.300.0070.05020.82
5.5.290.0100.06020.77
5.5.280.0030.05320.82
5.5.270.0070.04020.77
5.5.260.0070.04320.90
5.5.250.0070.09020.67
5.5.240.0100.08020.13
5.5.230.0070.03720.28
5.5.220.0030.08020.07
5.5.210.0000.06320.20
5.5.200.0100.06020.12
5.5.190.0100.08020.14
5.5.180.0000.04020.16
5.5.160.0030.07720.25
5.5.150.0100.08020.24
5.5.140.0030.07020.11
5.5.130.0070.03320.25
5.5.120.0130.06020.14
5.5.110.0130.06320.12
5.5.100.0070.07020.01
5.5.90.0030.07720.06
5.5.80.0030.05720.04
5.5.70.0000.07019.93
5.5.60.0030.06720.15
5.5.50.0070.07720.09
5.5.40.0030.06320.06
5.5.30.0200.06020.07
5.5.20.0000.06320.07
5.5.10.0000.04320.11
5.5.00.0100.07320.03
5.4.450.0030.04319.45
5.4.440.0030.08319.11
5.4.430.0000.04719.44
5.4.420.0030.06719.36
5.4.410.0000.04319.25
5.4.400.0030.03319.07
5.4.390.0070.03719.04
5.4.380.0070.06019.14
5.4.370.0030.07719.02
5.4.360.0070.07719.03
5.4.350.0000.04018.83
5.4.340.0070.07719.03
5.4.320.0130.07318.90
5.4.310.0070.03318.96
5.4.300.0170.06318.93
5.4.290.0070.06318.96
5.4.280.0130.06719.12
5.4.270.0030.06318.95
5.4.260.0070.04718.80
5.4.250.0030.03319.11
5.4.240.0100.03719.11
5.4.230.0100.06719.16
5.4.220.0030.08719.02
5.4.210.0030.04719.02
5.4.200.0070.03719.05
5.4.190.0100.07319.07
5.4.180.0070.06319.13
5.4.170.0070.05718.80
5.4.160.0130.04018.76
5.4.150.0070.04719.09
5.4.140.0100.06716.33
5.4.130.0100.06316.09
5.4.120.0030.08016.12
5.4.110.0030.05016.27
5.4.100.0030.06016.34
5.4.90.0030.07016.27
5.4.80.0070.07316.19
5.4.70.0170.06016.39
5.4.60.0130.04716.23
5.4.50.0070.07016.34
5.4.40.0070.04016.28
5.4.30.0070.07716.21
5.4.20.0130.07016.35
5.4.10.0100.07716.31
5.4.00.0100.06715.82
5.3.290.0070.05714.49
5.3.280.0100.07714.58
5.3.270.0130.03014.51
5.3.260.0000.05314.59
5.3.250.0000.06714.57
5.3.240.0030.06714.46
5.3.230.0030.04714.59
5.3.220.0070.04014.52
5.3.210.0030.07714.41
5.3.200.0130.05014.41
5.3.190.0030.03714.39
5.3.180.0030.06714.46
5.3.170.0070.04014.52
5.3.160.0000.07714.54
5.3.150.0030.07314.49
5.3.140.0170.06314.48
5.3.130.0030.07714.53
5.3.120.0030.08014.38
5.3.110.0030.08314.52
5.3.100.0130.06714.02
5.3.90.0070.07013.85
5.3.80.0100.07313.96
5.3.70.0100.04713.96
5.3.60.0100.04713.86
5.3.50.0030.05713.93
5.3.40.0130.06713.80
5.3.30.0100.05013.88
5.3.20.0030.04013.59
5.3.10.0070.06313.51
5.3.00.0070.08313.61
5.2.170.0070.06311.19
5.2.160.0130.05311.06
5.2.150.0070.05311.13
5.2.140.0030.04011.05
5.2.130.0000.03310.95
5.2.120.0000.03711.09
5.2.110.0030.05710.95
5.2.100.0100.02711.05
5.2.90.0070.06311.02
5.2.80.0000.07011.08
5.2.70.0100.05711.05
5.2.60.0030.05710.96
5.2.50.0070.03011.05
5.2.40.0030.05010.94
5.2.30.0000.06710.76
5.2.20.0000.06310.82
5.2.10.0000.03010.80
5.2.00.0030.05010.63
5.1.60.0030.05310.04
5.1.50.0030.05310.09
5.1.40.0000.04310.07
5.1.30.0000.05710.36
5.1.20.0130.04710.40
5.1.10.0030.06310.16
5.1.00.0100.04310.10
5.0.50.0030.0209.73
5.0.40.0000.0479.73
5.0.30.0030.0339.73
5.0.20.0000.0439.73
5.0.10.0000.0509.73
5.0.00.0070.0479.73
4.4.90.0030.0309.73
4.4.80.0030.0179.73
4.4.70.0030.0309.73
4.4.60.0030.0209.73
4.4.50.0000.0209.73
4.4.40.0030.0539.73
4.4.30.0030.0309.73
4.4.20.0030.0379.73
4.4.10.0000.0379.73
4.4.00.0070.0379.73
4.3.110.0030.0309.73
4.3.100.0030.0339.73
4.3.90.0000.0179.73
4.3.80.0030.0409.73
4.3.70.0030.0339.73
4.3.60.0070.0239.73
4.3.50.0000.0179.73
4.3.40.0030.0509.73
4.3.30.0030.0239.73
4.3.20.0070.0179.73
4.3.10.0000.0239.73
4.3.00.0000.0309.73

preferences:
40.61 ms | 400 KiB | 5 Q