3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flags = []; $flags['a'] = $a = false; echo $flags['a'] . '\n'; echo $a . '\n';

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)
8.3.60.0090.00616.63
8.3.50.0070.00716.21
8.3.40.0140.00019.02
8.3.30.0070.00718.84
8.3.20.0000.00820.29
8.3.10.0080.00023.48
8.3.00.0050.00319.80
8.2.180.0180.00316.50
8.2.170.0030.01422.96
8.2.160.0100.00319.25
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00419.19
8.2.120.0000.00726.35
8.2.110.0030.00622.01
8.2.100.0110.00018.28
8.2.90.0040.00419.34
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0000.00918.16
8.2.50.0080.00018.07
8.2.40.0040.00418.22
8.2.30.0040.00418.11
8.2.20.0050.00218.07
8.2.10.0080.00017.99
8.2.00.0000.00818.11
8.1.280.0070.01425.92
8.1.270.0000.00822.16
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0060.00319.15
8.1.230.0040.00717.82
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0000.00918.10
8.1.170.0040.00418.59
8.1.160.0000.00718.95
8.1.150.0030.00520.68
8.1.140.0040.00419.61
8.1.130.0030.00318.79
8.1.120.0000.00717.42
8.1.110.0040.00417.37
8.1.100.0040.00417.48
8.1.90.0040.00417.34
8.1.80.0000.00817.34
8.1.70.0030.00317.43
8.1.60.0050.00317.55
8.1.50.0040.00417.48
8.1.40.0030.00517.52
8.1.30.0000.00717.64
8.1.20.0000.00717.63
8.1.10.0030.00517.43
8.1.00.0020.00517.54
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0040.00418.43
8.0.270.0000.00817.37
8.0.260.0060.00316.73
8.0.250.0030.00316.93
8.0.240.0000.00816.96
8.0.230.0030.00316.85
8.0.220.0030.00616.80
8.0.210.0000.00816.84
8.0.200.0030.00316.92
8.0.190.0000.00816.96
8.0.180.0050.00316.89
8.0.170.0050.00316.92
8.0.160.0000.00716.85
8.0.150.0030.00616.89
8.0.140.0040.00416.80
8.0.130.0060.00013.32
8.0.120.0050.00316.75
8.0.110.0030.00616.77
8.0.100.0000.00716.88
8.0.90.0000.00716.82
8.0.80.0070.01016.84
8.0.70.0050.00316.91
8.0.60.0000.00716.80
8.0.50.0000.00816.76
8.0.30.0060.01116.99
8.0.20.0150.01317.40
8.0.10.0000.00816.93
8.0.00.0120.00616.99
7.4.330.0050.00015.55
7.4.320.0060.00016.54
7.4.300.0060.00016.32
7.4.290.0000.00816.34
7.4.280.0030.00716.42
7.4.270.0000.00716.50
7.4.260.0070.00016.41
7.4.250.0030.00316.50
7.4.240.0000.00716.42
7.4.230.0070.00016.42
7.4.220.0170.00016.39
7.4.210.0070.00816.40
7.4.200.0000.00716.32
7.4.160.0100.01016.51
7.4.150.0070.01317.40
7.4.140.0110.00617.86
7.4.130.0120.00716.32
7.4.120.0090.00816.46
7.4.110.0090.00916.36
7.4.100.0120.00916.61
7.4.90.0100.00716.36
7.4.80.0090.00919.39
7.4.70.0130.00916.41
7.4.60.0120.00616.62
7.4.50.0070.00816.39
7.4.40.0060.01016.51
7.4.30.0040.01216.55
7.4.00.0030.01214.89
7.3.330.0000.00513.23
7.3.320.0050.00013.05
7.3.310.0050.00216.27
7.3.300.0040.00416.31
7.3.290.0070.00016.23
7.3.280.0080.00816.33
7.3.270.0090.00917.40
7.3.260.0110.00916.48
7.3.250.0110.00816.46
7.3.240.0110.00716.42
7.3.230.0070.01516.38
7.3.210.0100.00716.54
7.3.200.0130.00716.59
7.3.190.0060.00916.38
7.3.180.0080.01416.39
7.3.170.0090.01416.48
7.3.160.0090.00616.37
7.2.330.0090.00816.36
7.2.320.0100.00616.60
7.2.310.0080.00916.30
7.2.300.0100.00716.34
7.2.290.0080.01216.74
7.2.60.0800.00415.13
7.2.00.0100.00319.46
7.1.200.0000.01115.94
7.1.100.0050.00518.08
7.1.70.0160.01815.39
7.1.60.0340.02032.96
7.1.50.0620.00533.00
7.1.40.0380.01732.68
7.1.30.0430.01632.57
7.1.20.0390.02232.79
7.1.10.0510.01214.86
7.1.00.0300.01014.77
7.0.200.0310.00514.93
7.0.190.0240.01115.07
7.0.180.0160.01814.52
7.0.170.0180.02114.24
7.0.160.0250.01114.52
7.0.150.0280.00914.52
7.0.140.0200.01014.44
7.0.130.0210.01214.61
7.0.120.0210.01214.63
7.0.110.0270.00814.68
7.0.100.0270.01014.40
7.0.90.0220.01314.41
7.0.80.0210.01614.52
7.0.70.0150.01814.37
7.0.60.0150.01114.35
7.0.50.0130.01214.43
7.0.40.0300.00314.61
7.0.30.0250.00914.68
7.0.20.0110.01114.64
7.0.10.0140.01014.52
7.0.00.0140.01314.82

preferences:
42.27 ms | 400 KiB | 5 Q