3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ''; $a[3] = 'PPAP'; var_dump($a);

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)
8.3.60.0110.00716.88
8.3.50.0070.01018.09
8.3.40.0070.00718.72
8.3.30.0110.00418.71
8.3.20.0070.00019.20
8.3.10.0050.00321.89
8.3.00.0040.00420.81
8.2.180.0040.01118.41
8.2.170.0070.00718.95
8.2.160.0060.01322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00621.03
8.2.120.0070.00026.35
8.2.110.0030.00622.31
8.2.100.0080.00817.57
8.2.90.0030.00519.05
8.2.80.0000.00817.97
8.2.70.0000.00818.03
8.2.60.0090.00017.93
8.2.50.0040.00418.10
8.2.40.0070.00020.36
8.2.30.0050.00219.12
8.2.20.0000.00718.05
8.2.10.0040.00417.93
8.2.00.0040.00417.61
8.1.280.0070.01025.92
8.1.270.0030.00522.05
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0080.00322.46
8.1.230.0030.00717.83
8.1.220.0030.00617.78
8.1.210.0030.00618.77
8.1.200.0000.00817.35
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0040.00418.71
8.1.160.0030.00518.79
8.1.150.0030.00620.20
8.1.140.0000.00719.61
8.1.130.0000.00717.61
8.1.120.0050.00217.47
8.1.110.0000.00817.48
8.1.100.0000.00717.45
8.1.90.0000.00717.41
8.1.80.0030.00517.27
8.1.70.0000.00717.50
8.1.60.0040.00417.60
8.1.50.0040.00417.52
8.1.40.0000.00817.46
8.1.30.0000.00817.58
8.1.20.0090.00017.68
8.1.10.0040.00417.31
8.1.00.0040.00417.46
8.0.300.0080.00018.77
8.0.290.0080.00316.75
8.0.280.0000.00718.48
8.0.270.0030.00317.21
8.0.260.0030.00317.32
8.0.250.0030.00316.94
8.0.240.0000.00616.97
8.0.230.0040.00417.03
8.0.220.0030.00316.95
8.0.210.0000.00716.89
8.0.200.0060.00317.07
8.0.190.0050.00316.91
8.0.180.0040.00416.86
8.0.170.0070.00016.85
8.0.160.0000.00717.01
8.0.150.0040.00416.79
8.0.140.0070.00016.93
8.0.130.0000.00513.42
8.0.120.0030.00516.92
8.0.110.0030.00316.69
8.0.100.0000.00716.96
8.0.90.0040.00416.77
8.0.80.0110.00616.98
8.0.70.0000.00716.81
8.0.60.0070.00016.86
8.0.50.0040.00416.79
8.0.30.0110.00817.07
8.0.20.0070.01217.40
8.0.10.0000.00717.05
8.0.00.0040.01816.68
7.4.330.0020.00215.55
7.4.320.0030.00316.48
7.4.300.0000.00616.61
7.4.290.0030.00516.50
7.4.280.0040.00416.54
7.4.270.0070.00016.54
7.4.260.0000.00716.58
7.4.250.0030.00316.55
7.4.240.0030.00316.59
7.4.230.0070.00016.69
7.4.220.0140.00416.38
7.4.210.0060.01116.52
7.4.200.0030.00316.62
7.4.160.0100.00716.47
7.4.150.0070.01017.40
7.4.140.0120.00917.86
7.4.130.0140.00716.47
7.4.120.0110.01116.51
7.4.110.0040.01816.57
7.4.100.0160.00616.43
7.4.90.0040.01516.48
7.4.80.0090.01419.39
7.4.70.0040.01116.64
7.4.60.0120.00816.49
7.4.50.0080.00316.27
7.4.40.0100.00616.50
7.4.30.0120.00616.54
7.4.00.0080.00914.90
7.3.330.0000.00513.13
7.3.320.0030.00313.03
7.3.310.0030.00316.21
7.3.300.0040.00416.21
7.3.290.0090.00016.25
7.3.280.0120.00616.26
7.3.270.0130.00317.40
7.3.260.0120.00616.41
7.3.250.0140.00516.37
7.3.240.0080.01016.49
7.3.230.0030.01316.51
7.3.210.0070.01116.36
7.3.200.0090.00916.17
7.3.190.0090.00616.37
7.3.180.0030.01716.11
7.3.170.0060.01016.25
7.3.160.0060.00916.27
7.3.120.0100.00814.82
7.3.110.0070.00914.82
7.3.100.0050.01314.81
7.3.90.0050.01214.74
7.3.80.0020.01214.74
7.3.70.0060.00714.64
7.3.60.0060.00414.79
7.3.50.0050.00714.79
7.3.40.0070.00414.65
7.3.30.0070.00914.85
7.3.20.0060.00716.66
7.3.10.0090.00516.65
7.3.00.0030.00816.55
7.2.330.0110.00716.40
7.2.320.0080.00816.39
7.2.310.0070.01016.64
7.2.300.0070.01016.21
7.2.290.0080.01416.55
7.2.250.0070.01115.07
7.2.240.0020.01314.80
7.2.230.0060.01014.88
7.2.220.0030.00714.71
7.2.210.0030.01014.83
7.2.200.0090.00514.95
7.2.190.0050.01015.00
7.2.180.0070.01114.99
7.2.170.0050.01114.83
7.2.60.0160.00016.75
7.2.50.0030.00916.89
7.1.330.0080.00715.72
7.1.320.0030.00815.68
7.1.310.0110.00415.68
7.1.300.0050.00515.57
7.1.290.0050.00915.68
7.1.280.0030.01315.82
7.1.270.0080.00615.58
7.1.260.0060.00615.78
7.1.200.0000.01315.63
7.1.70.0040.00816.79
7.1.60.0040.00816.98
7.1.50.0150.00616.73
7.1.00.0030.07722.35
7.0.200.0250.00616.43
7.0.130.0130.05322.10
7.0.120.0030.07322.12
7.0.110.0300.08022.07
7.0.100.0100.06022.12
7.0.90.0100.05722.22
7.0.80.0300.05720.29
7.0.70.0130.05322.07
7.0.60.0030.07722.09
7.0.50.0130.05322.15
7.0.40.0100.05722.16
7.0.30.0130.05722.05
7.0.20.0170.07022.10
7.0.10.0100.05322.02
7.0.00.0130.06322.11
5.6.280.0070.05721.06
5.6.270.0100.05320.88
5.6.260.0100.06320.79
5.6.250.0070.06721.02
5.6.240.0130.06020.88
5.6.230.0070.08020.82
5.6.220.0070.06321.04
5.6.210.0100.06020.97
5.6.200.0100.06320.98
5.6.190.0130.05721.05
5.6.180.0030.06720.99
5.6.170.0270.03721.01
5.6.160.0100.05321.00
5.6.150.0030.06020.98
5.6.140.0070.06021.02
5.6.130.0130.05321.00
5.6.120.0000.06721.05
5.6.110.0100.05720.98
5.6.100.0070.06321.06
5.6.90.0130.05020.82
5.6.80.0130.05020.20
5.6.70.0130.06020.40
5.6.60.0100.05320.21
5.6.50.0100.05020.35
5.6.40.0070.05320.37
5.6.30.0130.05020.38
5.6.20.0100.05320.38
5.6.10.0030.05320.27
5.6.00.0100.05020.13

preferences:
62.22 ms | 400 KiB | 5 Q