3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "1234567890a"; var_dump($a["010"], isset($a["010"])); // true

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)
8.3.60.0110.00418.56
8.3.50.0200.00016.16
8.3.40.0040.01118.59
8.3.30.0070.00718.32
8.3.20.0040.00421.81
8.3.10.0040.00421.81
8.3.00.0040.00419.05
8.2.180.0150.00618.17
8.2.170.0120.00618.91
8.2.160.0130.00022.96
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00320.64
8.2.110.0090.00019.32
8.2.100.0040.00717.91
8.2.90.0040.00419.64
8.2.80.0000.00917.97
8.2.70.0000.00817.50
8.2.60.0040.00417.93
8.2.50.0030.00618.10
8.2.40.0000.00820.60
8.2.30.0050.00219.13
8.2.20.0000.00718.12
8.2.10.0000.00717.91
8.2.00.0000.00717.99
8.1.280.0070.01125.92
8.1.270.0070.00023.83
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0000.00919.17
8.1.230.0120.00020.86
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00918.59
8.1.160.0000.00719.05
8.1.150.0040.00418.84
8.1.140.0050.00219.57
8.1.130.0030.00318.76
8.1.120.0050.00317.31
8.1.110.0030.00517.36
8.1.100.0030.00617.38
8.1.90.0000.00717.37
8.1.80.0070.00017.30
8.1.70.0040.00417.35
8.1.60.0000.00717.57
8.1.50.0000.00917.35
8.1.40.0030.00617.36
8.1.30.0040.00417.63
8.1.20.0000.00717.52
8.1.10.0050.00317.46
8.1.00.0070.00017.41
8.0.300.0000.00719.90
8.0.290.0000.00916.75
8.0.280.0000.00818.48
8.0.270.0030.00317.19
8.0.260.0080.00016.72
8.0.250.0000.00716.94
8.0.240.0040.00416.95
8.0.230.0030.00316.83
8.0.220.0050.00316.88
8.0.210.0040.00416.85
8.0.200.0030.00316.81
8.0.190.0000.00916.91
8.0.180.0070.00016.83
8.0.170.0000.00716.71
8.0.160.0050.00316.85
8.0.150.0000.00816.83
8.0.140.0030.00316.77
8.0.130.0050.00013.22
8.0.120.0050.00316.70
8.0.110.0000.00716.89
8.0.100.0050.00316.82
8.0.90.0040.00416.67
8.0.80.0060.01016.80
8.0.70.0000.00716.78
8.0.60.0000.00716.66
8.0.50.0050.00216.67
8.0.30.0100.01017.26
8.0.20.0120.00717.40
8.0.10.0000.00716.89
8.0.00.0100.00716.78
7.4.330.0050.00015.55
7.4.320.0030.00316.45
7.4.300.0000.00616.59
7.4.290.0030.00716.58
7.4.280.0000.00816.51
7.4.270.0030.00316.52
7.4.260.0000.00713.21
7.4.250.0040.00416.38
7.4.240.0030.00316.45
7.4.230.0040.00416.55
7.4.220.0080.00816.54
7.4.210.0070.00716.61
7.4.200.0030.00316.44
7.4.160.0060.01016.51
7.4.150.0100.01017.40
7.4.140.0120.00717.86
7.4.130.0120.00816.41
7.4.120.0080.01416.54
7.4.110.0120.00316.21
7.4.100.0120.00916.50
7.4.90.0180.00416.39
7.4.80.0100.01419.39
7.4.70.0030.01416.42
7.4.60.0070.01016.38
7.4.50.0030.01316.35
7.4.40.0060.01116.48
7.4.30.0160.00316.21
7.4.00.0100.00714.92
7.3.330.0050.00013.18
7.3.320.0020.00213.00
7.3.310.0070.00016.12
7.3.300.0030.00316.17
7.3.290.0070.00716.28
7.3.280.0090.00716.27
7.3.270.0110.00517.40
7.3.260.0090.00716.38
7.3.250.0090.00916.40
7.3.240.0130.00716.44
7.3.230.0030.01416.27
7.3.210.0140.00316.13
7.3.200.0060.01016.30
7.3.190.0130.00716.31
7.3.180.0110.00916.21
7.3.170.0040.01616.30
7.3.160.0110.00416.15
7.2.330.0080.01316.44
7.2.320.0130.00916.29
7.2.310.0070.01016.52
7.2.300.0100.01316.26
7.2.290.0050.01416.38
7.2.60.0220.00416.94
7.2.50.0060.00716.97
7.2.00.0000.01319.50
7.1.200.0060.00615.57
7.1.70.0000.00817.12
7.1.60.1570.01033.17
7.1.50.1800.01333.13
7.1.40.0970.01332.46
7.1.30.0900.01732.70
7.1.20.1030.00732.78
7.1.10.0800.01014.85
7.1.00.1270.01314.85
7.0.200.1470.01314.84
7.0.190.1100.01014.80
7.0.180.1730.01014.40
7.0.170.0730.01014.24
7.0.160.1200.00714.48
7.0.150.0930.00714.38
7.0.140.1570.01014.47
7.0.130.0800.01314.51
7.0.120.0730.01314.63
7.0.110.0900.01314.57
7.0.100.1030.01014.30
7.0.90.1100.01014.15
7.0.80.0930.01314.34
7.0.70.0900.01014.32
7.0.60.1130.01314.21
7.0.50.0970.00714.61
7.0.40.0700.00714.61
7.0.30.1130.00714.76
7.0.20.1500.01314.45
7.0.10.0930.00714.45
7.0.00.0900.01014.48

preferences:
35.3 ms | 400 KiB | 5 Q