3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('prefix' => ''); $isset = isset($array['prefix']); var_dump($isset);

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)
8.3.60.0070.01418.43
8.3.50.0110.00316.33
8.3.40.0070.01318.50
8.3.30.0060.00918.42
8.3.20.0000.00721.60
8.3.10.0000.00823.56
8.3.00.0070.00022.11
8.2.180.0140.00416.38
8.2.170.0110.00422.96
8.2.160.0060.01619.07
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00020.92
8.2.120.0050.00226.35
8.2.110.0060.00320.46
8.2.100.0120.00017.78
8.2.90.0040.00420.07
8.2.80.0030.00618.02
8.2.70.0040.00417.93
8.2.60.0050.00317.50
8.2.50.0040.00418.22
8.2.40.0040.00420.61
8.2.30.0000.00722.31
8.2.20.0000.00718.10
8.2.10.0040.00418.12
8.2.00.0000.00717.95
8.1.280.0110.00425.92
8.1.270.0080.00022.11
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0040.00420.64
8.1.230.0070.00422.74
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00717.23
8.1.190.0030.00517.00
8.1.180.0080.00018.10
8.1.170.0040.00418.58
8.1.160.0040.00418.83
8.1.150.0000.00721.98
8.1.140.0080.00017.63
8.1.130.0000.00718.90
8.1.120.0040.00417.38
8.1.110.0040.00417.28
8.1.100.0000.00717.43
8.1.90.0040.00417.43
8.1.80.0060.00317.32
8.1.70.0000.00717.40
8.1.60.0040.00417.49
8.1.50.0060.00317.40
8.1.40.0040.00417.39
8.1.30.0000.00717.47
8.1.20.0030.00617.41
8.1.10.0040.00417.46
8.1.00.0030.00617.38
8.0.300.0040.00419.89
8.0.290.0070.00016.75
8.0.280.0000.00718.37
8.0.270.0030.00317.11
8.0.260.0000.00916.74
8.0.250.0000.00716.88
8.0.240.0040.00416.86
8.0.230.0060.00316.77
8.0.220.0030.00316.80
8.0.210.0000.00716.84
8.0.200.0030.00316.86
8.0.190.0040.00416.84
8.0.180.0000.01016.86
8.0.170.0070.00316.83
8.0.160.0030.00316.84
8.0.150.0030.00616.79
8.0.140.0030.00316.74
8.0.130.0000.00613.15
8.0.120.0070.00016.63
8.0.110.0040.00416.59
8.0.100.0000.00716.59
8.0.90.0080.00016.77
8.0.80.0040.01816.71
8.0.70.0040.00416.78
8.0.60.0000.00816.79
8.0.50.0030.00516.80
8.0.30.0080.01016.89
8.0.20.0130.00817.40
8.0.10.0000.00716.83
8.0.00.0090.00816.59
7.4.330.0000.00515.55
7.4.320.0000.00716.55
7.4.300.0030.00316.54
7.4.290.0060.00316.34
7.4.280.0040.00416.50
7.4.270.0000.00716.41
7.4.260.0000.00716.44
7.4.250.0030.00316.40
7.4.240.0040.00416.58
7.4.230.0000.00716.32
7.4.220.0030.00516.21
7.4.210.0070.00716.51
7.4.200.0000.00716.63
7.4.160.0090.00616.35
7.4.140.0090.00917.86
7.4.130.0100.01116.29
7.4.120.0110.00616.42
7.4.110.0130.01316.55
7.4.100.0140.00416.48
7.4.90.0140.00316.34
7.4.80.0090.01019.39
7.4.70.0060.01616.45
7.4.60.0100.00616.51
7.4.50.0130.00316.46
7.4.40.0000.01716.23
7.4.00.0070.00715.00
7.3.330.0050.00013.07
7.3.320.0030.00313.09
7.3.310.0030.00316.00
7.3.300.0070.00016.00
7.3.290.0080.00016.22
7.3.280.0070.00816.19
7.3.260.0130.00816.16
7.3.240.0090.00816.22
7.3.230.0060.01516.32
7.3.210.0100.01016.34
7.3.200.0120.00616.44
7.3.190.0080.00816.52
7.3.180.0060.00916.27
7.3.170.0070.01016.12
7.3.160.0130.01016.36
7.3.120.0040.01214.66
7.3.110.0040.01514.68
7.3.100.0070.00714.93
7.3.90.0100.00614.38
7.3.80.0030.00614.98
7.3.70.0070.00314.45
7.3.60.0090.00314.80
7.3.50.0100.00314.41
7.3.40.0060.00614.80
7.3.30.0070.01114.86
7.3.20.0000.01416.43
7.3.10.0100.00316.49
7.3.00.0060.00416.47
7.2.330.0180.00016.27
7.2.320.0070.01016.31
7.2.310.0090.00916.49
7.2.300.0100.01316.60
7.2.290.0030.01516.33
7.2.240.0090.00614.95
7.2.230.0070.01014.94
7.2.220.0070.01014.96
7.2.210.0090.00614.64
7.2.200.0070.01014.61
7.2.190.0040.01114.92
7.2.180.0040.01114.91
7.2.170.0100.00614.95
7.2.160.0000.01514.69
7.2.150.0090.00616.61
7.2.140.0110.00716.84
7.2.130.0020.00816.88
7.2.120.0070.00716.72
7.2.110.0050.01016.56
7.2.100.0090.00616.75
7.2.90.0050.01116.83
7.2.80.0060.00916.82
7.2.70.0040.00716.76
7.2.60.0070.00516.92
7.2.50.0090.00816.71
7.2.40.0070.00716.88
7.2.30.0080.01116.95
7.2.20.0090.01017.12
7.2.10.0100.01016.86
7.2.00.0080.01117.08
7.1.330.0070.01115.80
7.1.320.0030.00615.81
7.1.310.0000.01715.69
7.1.300.0090.00915.73
7.1.290.0100.00715.76
7.1.280.0090.00615.56
7.1.270.0030.00615.48
7.1.260.0000.00915.78
7.1.250.0080.00315.83
7.1.200.0050.00315.80
7.1.150.0140.01116.23
7.1.140.0150.00816.68
7.1.130.0280.01316.43
7.1.120.0170.01416.26
7.1.110.0160.01315.95
7.1.100.0140.01315.80
7.1.90.0160.01515.94
7.1.80.0110.01315.84
7.1.70.0130.01215.32
7.1.60.0300.01233.36
7.1.50.0290.01532.93
7.1.40.0310.01532.44
7.1.30.0390.02332.63
7.1.20.0430.01632.55
7.1.10.0500.01216.75
7.1.00.0100.00716.50

preferences:
62.66 ms | 401 KiB | 5 Q