3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "1234567890"; $a .= "a"; var_dump($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)
8.3.60.0070.00718.31
8.3.50.0140.00716.37
8.3.40.0080.00818.80
8.3.30.0000.01418.71
8.3.20.0040.00421.73
8.3.10.0000.00823.61
8.3.00.0040.00419.16
8.2.180.0110.00718.16
8.2.170.0090.00622.96
8.2.160.0100.00322.13
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00020.41
8.2.120.0030.00526.35
8.2.110.0000.01022.32
8.2.100.0090.00317.91
8.2.90.0000.00719.17
8.2.80.0060.00317.97
8.2.70.0080.00017.63
8.2.60.0050.00317.93
8.2.50.0100.00018.10
8.2.40.0000.00820.60
8.2.30.0080.00019.15
8.2.20.0000.00718.11
8.2.10.0000.00717.99
8.2.00.0040.00417.90
8.1.280.0170.00325.92
8.1.270.0070.00023.79
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.96
8.1.230.0080.00417.83
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0030.00518.55
8.1.160.0040.00418.92
8.1.150.0080.00018.73
8.1.140.0000.00819.39
8.1.130.0070.00018.73
8.1.120.0040.00417.45
8.1.110.0040.00417.38
8.1.100.0070.00017.34
8.1.90.0000.00817.47
8.1.80.0000.00817.46
8.1.70.0030.00317.32
8.1.60.0040.00417.54
8.1.50.0000.00817.41
8.1.40.0030.00617.50
8.1.30.0040.00417.44
8.1.20.0040.00417.61
8.1.10.0000.00717.46
8.1.00.0000.00717.49
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.25
8.0.270.0040.00417.12
8.0.260.0000.00616.74
8.0.250.0030.00316.83
8.0.240.0080.00016.81
8.0.230.0000.00716.78
8.0.220.0050.00516.74
8.0.210.0040.00416.72
8.0.200.0000.00616.90
8.0.190.0040.00416.81
8.0.180.0050.00216.89
8.0.170.0030.00316.80
8.0.160.0030.00316.76
8.0.150.0000.00716.70
8.0.140.0000.00816.71
8.0.130.0000.00513.30
8.0.120.0000.00716.86
8.0.110.0040.00416.64
8.0.100.0000.00816.83
8.0.90.0040.00416.83
8.0.80.0060.01016.79
8.0.70.0000.00816.77
8.0.60.0050.00216.72
8.0.50.0040.00416.64
8.0.30.0060.01216.96
8.0.20.0110.00717.40
8.0.10.0000.00716.84
8.0.00.0090.00916.55
7.4.330.0000.00515.55
7.4.320.0000.00616.55
7.4.300.0060.00016.53
7.4.290.0030.00716.42
7.4.280.0040.00416.50
7.4.270.0030.00316.56
7.4.260.0030.00313.12
7.4.250.0000.00716.52
7.4.240.0000.00716.45
7.4.230.0000.00716.57
7.4.220.0090.00616.48
7.4.210.0060.00916.46
7.4.200.0040.00416.65
7.4.160.0130.00516.31
7.4.150.0120.00617.40
7.4.140.0060.01217.86
7.4.130.0210.00716.45
7.4.120.0050.01416.42
7.4.110.0130.00716.55
7.4.100.0100.00716.37
7.4.90.0150.00416.20
7.4.80.0180.00319.39
7.4.70.0060.01116.46
7.4.60.0140.00316.30
7.4.50.0080.00816.52
7.4.40.0040.01216.63
7.4.30.0080.01116.39
7.4.00.0080.00014.92
7.3.330.0030.00313.16
7.3.320.0050.00013.02
7.3.310.0050.00216.28
7.3.300.0000.00616.25
7.3.290.0080.00816.28
7.3.280.0070.00916.23
7.3.270.0090.00817.40
7.3.260.0060.01116.50
7.3.250.0120.01016.38
7.3.240.0150.00516.33
7.3.230.0070.01016.36
7.3.210.0100.00616.30
7.3.200.0080.00816.22
7.3.190.0100.00716.51
7.3.180.0090.01216.11
7.3.170.0090.00916.34
7.3.160.0060.01016.14
7.2.330.0130.00616.64
7.2.320.0090.01316.60
7.2.310.0140.00416.61
7.2.300.0060.00916.62
7.2.290.0140.00416.76
7.2.60.0210.00316.65
7.2.50.0000.01216.77
7.2.00.0000.01119.32
7.1.200.0030.00915.74
7.1.70.0060.00316.86
7.1.60.0630.01033.36
7.1.50.1130.01332.77
7.1.40.1130.00732.32
7.1.30.1000.01332.36
7.1.20.0870.00732.91
7.1.10.0770.00714.95
7.1.00.0730.00314.87
7.0.200.0570.01015.05
7.0.190.1070.01014.84
7.0.180.0870.00714.45
7.0.170.0900.01014.46
7.0.160.0530.01314.45
7.0.150.0600.01014.33
7.0.140.1200.01014.40
7.0.130.0670.01014.54
7.0.120.0700.01014.51
7.0.110.1070.00714.51
7.0.100.0700.01014.30
7.0.90.2130.01014.41
7.0.80.0730.01014.44
7.0.70.0670.01014.64
7.0.60.0630.01014.13
7.0.50.0800.01014.47
7.0.40.0730.01014.61
7.0.30.0630.00714.88
7.0.20.0530.00714.56
7.0.10.0530.00714.65
7.0.00.0700.00714.49

preferences:
62.83 ms | 400 KiB | 5 Q