3v4l.org

run code in 300+ PHP versions simultaneously
<?php const X = array('a' => 'b'); var_dump(X['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)
8.3.60.0140.00718.43
8.3.50.0070.00716.47
8.3.40.0150.00018.79
8.3.30.0060.00918.63
8.3.20.0090.00020.25
8.3.10.0080.00021.65
8.3.00.0040.00420.95
8.2.180.0150.00418.34
8.2.170.0140.00022.96
8.2.160.0100.00322.18
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00022.25
8.2.120.0040.00426.35
8.2.110.0090.00020.16
8.2.100.0070.00417.91
8.2.90.0090.00019.21
8.2.80.0050.00318.05
8.2.70.0060.00617.59
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0040.00422.28
8.2.30.0000.00721.05
8.2.20.0040.00418.07
8.2.10.0030.00518.13
8.2.00.0050.00318.09
8.1.280.0110.00325.92
8.1.270.0070.00022.19
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.62
8.1.230.0110.00019.07
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.22
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0000.00818.38
8.1.160.0000.00818.93
8.1.150.0000.00718.80
8.1.140.0100.00019.50
8.1.130.0030.00318.94
8.1.120.0070.00017.38
8.1.110.0040.00417.39
8.1.100.0040.00417.43
8.1.90.0040.00417.41
8.1.80.0040.00417.44
8.1.70.0030.00317.37
8.1.60.0080.00017.42
8.1.50.0040.00417.46
8.1.40.0030.00517.45
8.1.30.0040.00417.63
8.1.20.0000.00717.57
8.1.10.0050.00517.45
8.1.00.0040.00417.24
8.0.300.0050.00318.77
8.0.290.0000.00816.75
8.0.280.0030.00318.39
8.0.270.0000.00717.21
8.0.260.0060.00016.67
8.0.250.0000.00616.86
8.0.240.0030.00516.87
8.0.230.0000.00716.88
8.0.220.0030.00316.82
8.0.210.0000.00716.70
8.0.200.0040.00416.82
8.0.190.0090.00016.84
8.0.180.0040.00416.84
8.0.170.0040.00416.84
8.0.160.0070.00016.85
8.0.150.0050.00316.81
8.0.140.0000.00716.84
8.0.130.0000.00713.22
8.0.120.0000.00716.73
8.0.110.0040.00416.83
8.0.100.0000.00816.65
8.0.90.0000.00716.89
8.0.80.0100.00716.86
8.0.70.0000.00716.82
8.0.60.0000.00716.82
8.0.50.0000.00716.69
8.0.30.0130.00816.91
8.0.20.0100.01117.40
8.0.10.0070.00016.82
8.0.00.0060.01316.61
7.4.330.0020.00215.55
7.4.320.0060.00016.57
7.4.300.0040.00416.42
7.4.290.0030.00516.55
7.4.280.0050.00316.53
7.4.270.0060.00316.54
7.4.260.0030.00313.24
7.4.250.0030.00716.35
7.4.240.0040.00416.39
7.4.230.0050.00216.41
7.4.220.0160.00616.41
7.4.210.0070.01016.47
7.4.200.0030.00316.63
7.4.160.0080.00716.38
7.4.150.0140.00417.40
7.4.140.0130.00617.86
7.4.130.0110.01516.44
7.4.120.0110.00816.38
7.4.110.0140.00416.41
7.4.100.0100.00716.56
7.4.90.0090.00616.61
7.4.80.0040.01219.39
7.4.70.0120.00416.36
7.4.60.0060.01016.28
7.4.50.0000.01116.27
7.4.40.0060.01016.31
7.4.30.0080.01116.47
7.4.00.0080.01114.77
7.3.330.0000.00613.02
7.3.320.0020.00213.06
7.3.310.0080.00016.33
7.3.300.0000.00616.17
7.3.290.0030.00316.31
7.3.280.0080.01116.27
7.3.270.0150.00317.40
7.3.260.0050.01316.45
7.3.250.0140.00616.33
7.3.240.0090.01016.41
7.3.230.0070.01116.52
7.3.210.0070.01016.24
7.3.200.0000.01716.34
7.3.190.0040.01116.38
7.3.180.0130.00316.30
7.3.170.0030.01316.25
7.3.160.0100.00616.32
7.3.10.0070.00316.27
7.3.00.0030.00916.65
7.2.330.0040.01516.71
7.2.320.0120.00616.70
7.2.310.0060.01016.50
7.2.300.0060.00916.32
7.2.290.0100.01016.43
7.2.130.0090.00616.86
7.2.120.0040.01116.72
7.2.110.0070.00416.56
7.2.100.0140.00316.41
7.2.90.0040.00916.83
7.2.80.0140.00416.80
7.2.70.0050.00816.89
7.2.60.0130.00216.84
7.2.50.0050.00516.65
7.2.40.0120.00416.67
7.2.30.0080.00316.71
7.2.20.0090.00616.79
7.2.10.0030.01316.69
7.2.00.0030.01217.94
7.1.250.0040.01115.70
7.1.200.0090.00615.70
7.1.100.0000.01018.28
7.1.70.0040.00417.08
7.1.60.0630.01033.14
7.1.50.0670.01032.59
7.1.40.0700.01032.57
7.1.30.0570.01732.32
7.1.20.0700.00732.72
7.1.10.0570.00714.48
7.1.00.0530.01014.68
7.0.200.0500.01014.71
7.0.190.0770.01014.78
7.0.180.0500.01014.40
7.0.170.0530.00714.31
7.0.160.0530.01014.52
7.0.150.0630.00314.28
7.0.140.0530.01014.64
7.0.130.0530.01014.72
7.0.120.0630.00314.70
7.0.110.0570.01014.28
7.0.100.0600.00314.61
7.0.90.0670.00314.60
7.0.80.0570.01314.61
7.0.70.0600.00714.24
7.0.60.0800.01014.26
7.0.50.0530.01014.48
7.0.40.0570.00714.50
7.0.30.0530.01014.53
7.0.20.0530.01014.45
7.0.10.0570.00714.70
7.0.00.0570.01014.41

preferences:
55.64 ms | 400 KiB | 5 Q