3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "1234567890a"; var_dump($a["010"], isset($a["010"])); isset($a["10"]);// 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)
8.3.60.0150.00618.30
8.3.50.0070.01016.34
8.3.40.0110.00418.71
8.3.30.0110.00418.59
8.3.20.0070.00020.10
8.3.10.0000.00721.82
8.3.00.0030.00620.84
8.2.180.0140.00718.16
8.2.170.0120.00322.96
8.2.160.0070.00721.93
8.2.150.0000.00725.66
8.2.140.0080.00024.66
8.2.130.0070.00020.35
8.2.120.0030.00526.35
8.2.110.0060.00322.23
8.2.100.0060.00617.71
8.2.90.0040.00419.27
8.2.80.0030.00618.05
8.2.70.0000.01317.50
8.2.60.0040.00417.92
8.2.50.0060.00318.10
8.2.40.0080.00020.52
8.2.30.0100.00019.27
8.2.20.0000.00717.92
8.2.10.0040.00417.98
8.2.00.0000.00717.92
8.1.280.0120.00625.92
8.1.270.0040.00423.82
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00423.83
8.1.230.0070.00422.14
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00917.23
8.1.190.0080.00017.23
8.1.180.0030.00618.10
8.1.170.0000.00918.59
8.1.160.0070.00018.88
8.1.150.0080.00020.68
8.1.140.0040.00419.50
8.1.130.0000.00718.81
8.1.120.0040.00417.34
8.1.110.0070.00017.37
8.1.100.0070.00017.29
8.1.90.0050.00317.41
8.1.80.0000.00717.28
8.1.70.0000.00717.38
8.1.60.0000.00717.50
8.1.50.0030.00517.43
8.1.40.0000.00717.34
8.1.30.0000.00717.59
8.1.20.0040.00417.55
8.1.10.0030.00517.52
8.1.00.0040.00417.55
8.0.300.0000.00718.77
8.0.290.0080.00016.75
8.0.280.0000.00718.22
8.0.270.0000.00717.11
8.0.260.0000.00616.80
8.0.250.0000.00716.93
8.0.240.0000.00916.88
8.0.230.0050.00316.81
8.0.220.0030.00316.73
8.0.210.0040.00416.71
8.0.200.0000.00616.88
8.0.190.0030.00516.89
8.0.180.0040.00416.89
8.0.170.0000.00716.73
8.0.160.0000.00716.72
8.0.150.0040.00416.77
8.0.140.0030.00316.76
8.0.130.0080.00013.24
8.0.120.0000.00716.75
8.0.110.0040.00416.88
8.0.100.0000.00716.84
8.0.90.0000.00716.80
8.0.80.0030.01516.82
8.0.70.0000.00816.84
8.0.60.0040.00416.88
8.0.50.0000.00816.68
8.0.30.0180.00016.78
8.0.20.0180.01117.40
8.0.10.0050.00216.80
8.0.00.0170.00716.68
7.4.330.0000.00515.55
7.4.320.0030.00316.55
7.4.300.0060.00016.35
7.4.290.0030.00316.43
7.4.280.0050.00316.42
7.4.270.0030.00316.36
7.4.260.0050.00013.23
7.4.250.0070.00016.41
7.4.240.0070.00016.44
7.4.230.0070.00016.33
7.4.220.0060.00916.50
7.4.210.0080.00916.49
7.4.200.0050.00216.32
7.4.160.0100.00616.43
7.4.150.0120.00617.40
7.4.140.0110.01317.86
7.4.130.0140.00316.42
7.4.120.0080.01116.38
7.4.110.0080.01216.39
7.4.100.0110.00716.52
7.4.90.0080.00816.27
7.4.80.0130.00319.39
7.4.70.0030.01316.31
7.4.60.0000.01516.56
7.4.50.0000.01316.39
7.4.40.0120.00916.39
7.4.30.0120.00916.54
7.4.00.0090.00714.80
7.3.330.0000.00613.05
7.3.320.0000.00512.98
7.3.310.0070.00016.46
7.3.300.0000.00716.29
7.3.290.0030.00316.10
7.3.280.0080.00916.26
7.3.270.0220.00617.40
7.3.260.0080.00816.25
7.3.250.0090.01316.30
7.3.240.0150.00316.46
7.3.230.0170.00016.29
7.3.210.0070.01016.40
7.3.200.0070.01016.29
7.3.190.0090.01216.21
7.3.180.0130.00316.31
7.3.170.0140.00316.14
7.3.160.0090.00916.13
7.3.120.0090.00614.80
7.3.110.0100.00714.64
7.3.100.0100.00314.44
7.3.90.0060.00914.67
7.3.80.0090.00614.82
7.3.70.0100.00314.76
7.3.60.0000.01414.63
7.3.50.0000.00814.84
7.3.40.0090.00614.63
7.3.30.0060.00614.91
7.3.20.0060.01216.57
7.3.10.0060.00816.77
7.3.00.0060.01016.65
7.2.330.0160.00316.45
7.2.320.0130.01016.62
7.2.310.0060.00916.38
7.2.300.0070.01416.70
7.2.290.0080.00816.23
7.2.250.0100.01015.07
7.2.240.0090.00614.90
7.2.230.0090.00614.73
7.2.220.0040.01114.84
7.2.210.0000.01714.82
7.2.200.0090.00614.98
7.2.190.0100.00314.96
7.2.180.0110.00414.89
7.2.170.0030.00614.97
7.2.60.0030.01316.89
7.2.00.0030.01019.04
7.1.330.0080.00815.95
7.1.320.0000.01215.97
7.1.310.0040.01115.85
7.1.300.0100.00315.62
7.1.290.0030.01015.73
7.1.280.0040.01115.97
7.1.270.0100.00315.60
7.1.260.0110.00415.57
7.1.200.0070.00715.85
7.1.100.0040.00717.93
7.1.70.0040.00417.21
7.1.60.0600.00333.08
7.1.50.0630.01333.07
7.1.40.0470.01032.51
7.1.30.0730.01732.63
7.1.20.0570.02732.71
7.1.10.0270.01014.52
7.1.00.0700.00714.84
7.0.200.0500.01315.07
7.0.190.0470.00714.91
7.0.180.0330.01714.40
7.0.170.0570.00314.12
7.0.160.0370.00714.29
7.0.150.0370.01014.36
7.0.140.0270.01714.35
7.0.130.0370.00014.53
7.0.120.0300.00714.53
7.0.110.0270.01014.50
7.0.100.0270.00714.48
7.0.90.0230.01314.34
7.0.80.0330.00714.39
7.0.70.0300.01714.48
7.0.60.0270.00314.38
7.0.50.0230.01014.64
7.0.40.0270.00714.69
7.0.30.0270.01314.66
7.0.20.0170.01714.59
7.0.10.0270.00714.73
7.0.00.0230.01014.64

preferences:
45.52 ms | 401 KiB | 5 Q