3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(10, 20); foreach($a as &$v) { echo $v; $a[] = 42; var_dump($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)
8.3.60.0290.01318.39
8.3.50.0230.01721.20
8.3.40.0220.02218.71
8.3.30.0250.00319.07
8.3.20.0180.00320.38
8.3.10.0100.01321.89
8.3.00.0190.00322.58
8.2.180.0330.00716.63
8.2.170.0250.01922.96
8.2.160.0360.00419.29
8.2.150.0160.00624.18
8.2.140.0170.00724.66
8.2.130.0260.01026.16
8.2.120.0130.00719.77
8.2.110.0260.00021.93
8.2.100.0290.00419.28
8.2.90.0080.00819.17
8.2.80.0100.00719.35
8.2.70.0070.00417.75
8.2.60.0160.00418.03
8.2.50.0100.00718.07
8.2.40.0110.00418.16
8.2.30.0060.01218.12
8.2.20.0140.00717.68
8.2.10.0070.00717.82
8.2.00.0070.00717.86
8.1.280.0210.02125.92
8.1.270.0190.00318.62
8.1.260.0140.01426.35
8.1.250.0170.00728.09
8.1.240.0230.00423.82
8.1.230.0230.00819.15
8.1.220.0110.00417.74
8.1.210.0110.00018.77
8.1.200.0090.00617.34
8.1.190.0090.00617.28
8.1.180.0040.00820.54
8.1.170.0090.00618.64
8.1.160.0060.00622.24
8.1.150.0100.00318.75
8.1.140.0120.00317.51
8.1.130.0130.00017.89
8.1.120.0100.00317.43
8.1.110.0120.00417.52
8.1.100.0130.00017.53
8.1.90.0090.00617.45
8.1.80.0060.00317.52
8.1.70.0120.00317.48
8.1.60.0070.00717.62
8.1.50.0100.00317.57
8.1.40.0000.01417.57
8.1.30.0040.01317.57
8.1.20.0090.00617.66
8.1.10.0150.00017.54
8.1.00.0110.00317.55
8.0.300.0120.00018.77
8.0.290.0080.00417.02
8.0.280.0060.01018.43
8.0.270.0030.01016.82
8.0.260.0110.00416.68
8.0.250.0090.00616.96
8.0.240.0110.00716.74
8.0.230.0040.01216.83
8.0.220.0100.00316.79
8.0.210.0030.01016.74
8.0.200.0090.00016.87
8.0.190.0040.01516.90
8.0.180.0140.00316.88
8.0.170.0060.00916.88
8.0.160.0060.00916.88
8.0.150.0030.01016.66
8.0.140.0030.01016.80
8.0.130.0070.00713.36
8.0.120.0090.00916.69
8.0.110.0080.00616.75
8.0.100.0090.00616.63
8.0.90.0060.00616.64
8.0.80.0220.02316.80
8.0.70.0030.00916.75
8.0.60.0080.00816.87
8.0.50.0130.00316.79
8.0.30.0420.02116.84
8.0.20.0600.02517.40
8.0.10.0090.00516.93
8.0.00.0440.03716.66
7.4.330.0090.00015.00
7.4.320.0070.00716.39
7.4.300.0040.00416.38
7.4.290.0070.01016.46
7.4.280.0000.01216.36
7.4.270.0110.00016.40
7.4.260.0070.01116.41
7.4.250.0030.01416.25
7.4.240.0060.00616.45
7.4.230.0080.00816.55
7.4.220.0220.03716.39
7.4.210.0260.02716.43
7.4.200.0070.00316.27
7.4.190.0100.00316.33
7.4.160.0360.02616.56
7.4.150.0590.03017.40
7.4.140.0540.03117.86
7.4.130.0600.02716.49
7.4.120.0370.03416.40
7.4.110.0710.02216.55
7.4.100.0550.03216.42
7.4.90.0670.04216.52
7.4.80.0990.01419.39
7.4.70.0450.02916.45
7.4.60.0300.02616.31
7.4.50.0170.00316.34
7.4.40.0240.01422.77
7.4.30.0320.03016.22
7.4.00.0100.01314.84
7.3.330.0060.00613.01
7.3.320.0000.01213.00
7.3.310.0060.00915.99
7.3.300.0090.00316.16
7.3.290.0100.03116.15
7.3.280.0180.02716.17
7.3.270.0650.02317.40
7.3.260.0600.02416.16
7.3.250.0640.03216.18
7.3.240.0720.03116.08
7.3.230.0720.04816.39
7.3.210.0790.03716.31
7.3.200.0410.01919.39
7.3.190.0330.02916.34
7.3.180.0210.03416.64
7.3.170.0400.03416.32
7.3.160.0290.03316.35
7.3.120.0160.00314.94
7.2.330.0900.03416.63
7.2.320.0130.02916.70
7.2.310.0540.01316.32
7.2.300.0800.04416.66
7.2.290.0230.05416.43
7.1.70.0090.00617.18
7.1.60.0270.01719.82
7.1.50.0140.02517.22
7.0.200.0690.01114.88

preferences:
41.15 ms | 401 KiB | 5 Q