3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'string'; var_dump($var['ola']); $var = 'string'; if (isset($var) && ! is_string($var)) { var_dump($var['ola']); } else { var_dump($var); }

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)
8.3.60.0100.01018.43
8.3.50.0110.00721.08
8.3.40.0140.00018.66
8.3.30.0030.01020.35
8.3.20.0040.00420.34
8.3.10.0040.00422.04
8.3.00.0040.00422.39
8.2.180.0060.00916.50
8.2.170.0120.00922.96
8.2.160.0060.00920.44
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00819.54
8.2.110.0030.00722.14
8.2.100.0070.00419.32
8.2.90.0080.00019.22
8.2.80.0000.00719.24
8.2.70.0030.00717.63
8.2.60.0030.00618.04
8.2.50.0030.00518.07
8.2.40.0040.00418.15
8.2.30.0020.00518.02
8.2.20.0000.00717.59
8.2.10.0070.00017.63
8.2.00.0040.00417.81
8.1.280.0140.00325.92
8.1.270.0060.00320.36
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00624.01
8.1.230.0110.00019.14
8.1.220.0110.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00817.25
8.1.190.0040.00417.53
8.1.180.0070.00020.25
8.1.170.0000.00918.48
8.1.160.0050.00222.14
8.1.150.0060.00318.53
8.1.140.0040.00417.37
8.1.130.0000.00717.75
8.1.120.0030.00317.34
8.1.110.0070.00017.28
8.1.100.0000.00717.43
8.1.90.0030.00317.40
8.1.80.0000.00717.37
8.1.70.0050.00317.30
8.1.60.0070.00317.51
8.1.50.0000.00717.53
8.1.40.0000.00817.59
8.1.30.0040.00417.59
8.1.20.0030.00617.59
8.1.10.0070.00017.61
8.1.00.0050.00317.55
8.0.300.0000.00818.77
8.0.290.0000.00717.05
8.0.280.0080.00018.43
8.0.270.0030.00317.12
8.0.260.0030.00316.70
8.0.250.0000.00716.96
8.0.240.0040.00416.93
8.0.230.0030.00316.91
8.0.220.0040.00416.83
8.0.210.0030.00316.79
8.0.200.0030.00317.00
8.0.190.0000.00716.94
8.0.180.0050.00316.91
8.0.170.0040.00416.81
8.0.160.0000.00716.95
8.0.150.0040.00416.84
8.0.140.0030.00616.82
8.0.130.0050.00013.36
8.0.120.0040.00416.75
8.0.110.0030.00516.75
8.0.100.0050.00316.95
8.0.90.0070.00016.77
8.0.80.0040.01116.80
8.0.70.0040.00416.91
8.0.60.0030.00516.72
8.0.50.0000.00716.73
8.0.30.0130.00917.18
8.0.20.0090.00917.40
8.0.10.0000.00716.90
8.0.00.0140.00616.70
7.4.330.0000.00415.00
7.4.320.0070.00016.64
7.4.300.0070.00016.49
7.4.290.0070.00016.59
7.4.280.0000.00816.58
7.4.270.0000.00716.43
7.4.260.0070.00316.55
7.4.250.0000.00716.48
7.4.240.0030.00416.39
7.4.230.0000.00916.43
7.4.220.0120.00816.54
7.4.210.0090.00516.53
7.4.200.0070.00016.43
7.4.190.0030.00316.65
7.4.160.0120.00416.53
7.4.150.0140.00317.40
7.4.140.0070.01017.86
7.4.130.0110.01016.56
7.4.120.0120.00616.44
7.4.110.0100.01016.50
7.4.100.0070.01016.44
7.4.90.0110.00616.56
7.4.80.0100.00619.39
7.4.70.0090.00916.59
7.4.60.0080.00916.54
7.4.50.0020.00216.23
7.4.40.0070.00722.77
7.4.30.0100.01116.52
7.4.00.0040.01114.89
7.3.330.0000.00513.15
7.3.320.0000.00613.20
7.3.310.0030.00516.35
7.3.300.0070.00016.18
7.3.290.0120.00316.38
7.3.280.0080.00716.25
7.3.270.0170.00017.40
7.3.260.0090.01216.35
7.3.250.0100.00816.34
7.3.240.0090.00916.31
7.3.230.0120.00316.39
7.3.210.0030.01416.50
7.3.200.0140.00319.39
7.3.190.0130.01016.33
7.3.180.0090.00616.55
7.3.170.0040.01116.58
7.3.160.0000.01516.38
7.3.120.0070.01014.75
7.2.330.0060.01216.54
7.2.320.0110.01416.63
7.2.310.0030.01316.35
7.2.300.0090.01216.30
7.2.290.0090.00916.62
7.2.00.0040.01219.40
7.1.200.0030.01015.89
7.1.100.0070.00318.36
7.1.70.0070.00017.29
7.1.60.0040.01519.50
7.1.50.0100.01016.76
7.1.00.0000.05022.57
7.0.200.0000.00916.79
7.0.140.0070.07322.00
7.0.60.0100.08020.01
7.0.50.0030.04017.66
7.0.40.0130.06320.21
7.0.30.0230.05320.33
7.0.20.0370.07020.17
7.0.10.0300.08020.12
7.0.00.0130.05020.32
5.6.280.0000.07721.07
5.6.210.0100.07320.47
5.6.200.0030.05718.17
5.6.190.0070.08720.43
5.6.180.0130.07720.41
5.6.170.0270.05720.54
5.6.160.0070.04020.49
5.6.150.0070.04718.22
5.6.140.0100.05718.21
5.6.130.0270.05318.18
5.6.120.0100.07021.14
5.6.110.0070.05721.01
5.6.100.0070.04020.96
5.6.90.0070.08321.09
5.6.80.0100.07720.52
5.6.70.0170.05320.37
5.5.350.0170.07320.32
5.5.340.0100.06017.98
5.5.330.0070.09020.54
5.5.320.0200.08020.20
5.5.310.0200.05320.25
5.5.300.0030.04318.01
5.5.290.0000.04317.95
5.5.280.0130.08020.93
5.5.270.0070.08320.97
5.5.260.0030.04020.61
5.5.250.0070.05020.61
5.5.240.0070.03720.18
5.4.450.0700.05319.28
5.4.440.0800.05719.50
5.4.430.0100.05319.48
5.4.420.0570.06019.54
5.4.410.0830.06719.28
5.4.400.0530.06718.83
5.4.390.0400.05318.55
5.4.380.0200.06018.77
5.4.370.0270.06318.72
5.4.360.0170.04718.49
5.4.350.0050.03911.98
5.4.340.0090.03511.97
5.4.320.0090.03512.46
5.4.310.0090.03412.45
5.4.300.0090.04112.46
5.4.290.0090.03612.45
5.4.280.0040.03512.35
5.4.270.0050.03612.35
5.4.260.0020.04112.35
5.4.250.0070.05018.64
5.4.240.0030.05719.03
5.4.230.0070.06318.94
5.4.220.0130.05018.94
5.4.210.0170.04319.03
5.4.200.0130.04718.89
5.4.190.0030.05718.99
5.4.180.0100.05018.88
5.4.170.0030.05318.64
5.4.160.0100.04719.02
5.4.150.0130.05018.73
5.4.140.0100.05016.29
5.4.130.0070.05316.28
5.4.120.0070.05016.25
5.4.110.0070.05716.49
5.4.100.0130.05316.43
5.4.90.0130.06016.23
5.4.80.0130.04016.24
5.4.70.0100.05016.47
5.4.60.0130.04316.39
5.4.50.0100.04716.46
5.4.40.0100.04716.55
5.4.30.0100.05316.52
5.4.20.0130.04316.26
5.4.10.0000.08016.47
5.4.00.0100.06315.74
5.3.290.0070.04012.80
5.3.280.0130.04714.29
5.3.270.0070.05314.37
5.3.260.0070.06314.62
5.3.250.0070.07014.47
5.3.240.0130.05314.47
5.3.230.0100.04714.29
5.3.220.0100.05014.43
5.3.210.0130.05314.56
5.3.200.0100.06714.57
5.3.190.0070.05014.43
5.3.180.0030.05714.43
5.3.170.0130.04314.56
5.3.160.0130.04314.27
5.3.150.0030.05314.65
5.3.140.0070.04714.59
5.3.130.0100.05014.24
5.3.120.0100.05314.59
5.3.110.0100.05014.56
5.3.100.0130.04313.90
5.3.90.0070.05014.06
5.3.80.0030.05313.79
5.3.70.0130.05313.90
5.3.60.0070.05014.09
5.3.50.0170.05713.79
5.3.40.0030.05013.64
5.3.30.0070.05014.00
5.3.20.0170.05313.71
5.3.10.0070.04713.51
5.3.00.0030.05713.79
5.2.170.0100.03711.23
5.2.160.0030.04711.04
5.2.150.0030.04011.14
5.2.140.0070.05711.16
5.2.130.0170.05011.01
5.2.120.0100.05711.10
5.2.110.0000.04311.00
5.2.100.0030.04011.11
5.2.90.0070.03710.93
5.2.80.0000.04310.92
5.2.70.0100.03710.99
5.2.60.0100.03310.93
5.2.50.0070.04011.12
5.2.40.0030.05011.08
5.2.30.0070.04010.98
5.2.20.0100.03310.95
5.2.10.0070.03710.77
5.2.00.0030.04010.78
5.1.60.0000.03710.18
5.1.50.0070.0339.91
5.1.40.0070.03010.21
5.1.30.0000.04010.09
5.1.20.0030.03710.51
5.1.10.0030.03710.21
5.1.00.0100.02710.15
5.0.50.0000.0308.61
5.0.40.0000.0308.17
5.0.30.0030.0408.30
5.0.20.0100.0278.18
5.0.10.0000.0338.13
5.0.00.0030.0408.07
4.4.90.0000.0236.93
4.4.80.0000.0236.93
4.4.70.0070.0176.93
4.4.60.0000.0236.93
4.4.50.0030.0206.93
4.4.40.0000.0336.93
4.4.30.0030.0206.93
4.4.20.0070.0176.93
4.4.10.0000.0236.93
4.4.00.0030.0306.93
4.3.110.0030.0206.93
4.3.100.0000.0236.93
4.3.90.0030.0206.93
4.3.80.0000.0336.93
4.3.70.0070.0176.93
4.3.60.0030.0206.93
4.3.50.0000.0236.93
4.3.40.0070.0306.93
4.3.30.0030.0206.93
4.3.20.0000.0236.93
4.3.10.0030.0206.93
4.3.00.0130.0206.86

preferences:
59.44 ms | 401 KiB | 5 Q