3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 1, 2, 3 ]; unset($a[2]); $b = array_values($a); $b[] = 4; var_dump($b);

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)
8.3.60.0100.01316.50
8.3.50.0140.00418.19
8.3.40.0110.00419.02
8.3.30.0060.01218.54
8.3.20.0050.00320.20
8.3.10.0040.00423.65
8.3.00.0040.00423.57
8.2.180.0090.00916.63
8.2.170.0070.01018.84
8.2.160.0110.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0020.00522.30
8.2.120.0070.00026.35
8.2.110.0000.01020.91
8.2.100.0080.00417.78
8.2.90.0000.00817.78
8.2.80.0080.00019.11
8.2.70.0050.00317.75
8.2.60.0000.00817.38
8.2.50.0040.00317.63
8.2.40.0090.00017.62
8.2.30.0000.00819.31
8.2.20.0020.00517.99
8.2.10.0000.00718.04
8.2.00.0050.00318.10
8.1.280.0130.00725.92
8.1.270.0000.00823.99
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0080.00022.16
8.1.230.0070.00420.84
8.1.220.0090.00017.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0080.00018.81
8.1.150.0000.00720.16
8.1.140.0000.00819.41
8.1.130.0030.00318.73
8.1.120.0030.00317.39
8.1.110.0040.00417.36
8.1.100.0040.00417.42
8.1.90.0070.00017.34
8.1.80.0000.00717.27
8.1.70.0030.00317.39
8.1.60.0000.01017.38
8.1.50.0000.00817.46
8.1.40.0040.00417.33
8.1.30.0080.00017.47
8.1.20.0030.00517.62
8.1.10.0000.00717.42
8.1.00.0090.00017.49
8.0.300.0040.00420.12
8.0.290.0030.00516.63
8.0.280.0000.00718.30
8.0.270.0070.00017.22
8.0.260.0040.00416.80
8.0.250.0030.00316.88
8.0.240.0070.00016.77
8.0.230.0030.00316.86
8.0.220.0000.00716.78
8.0.210.0000.00716.68
8.0.200.0030.00316.76
8.0.190.0030.00616.89
8.0.180.0040.00416.80
8.0.170.0000.00816.88
8.0.160.0000.00716.89
8.0.150.0040.00416.75
8.0.140.0000.00716.67
8.0.130.0030.00313.30
8.0.120.0000.00716.65
8.0.110.0070.00016.74
8.0.100.0070.00016.62
8.0.90.0030.00616.84
8.0.80.0080.00916.77
8.0.70.0070.00016.75
8.0.60.0070.00016.85
8.0.50.0000.00816.77
8.0.30.0100.00917.00
8.0.20.0100.00917.40
8.0.10.0080.00016.85
8.0.00.0110.00716.62
7.4.330.0000.00516.85
7.4.320.0000.00616.49
7.4.300.0070.00016.61
7.4.290.0040.00416.63
7.4.280.0040.00416.49
7.4.270.0000.00716.55
7.4.260.0030.00316.40
7.4.250.0040.00416.46
7.4.240.0040.00416.48
7.4.230.0000.00716.59
7.4.220.0050.01316.63
7.4.210.0110.00416.61
7.4.200.0040.00416.67
7.4.160.0080.00816.39
7.4.150.0130.00717.40
7.4.140.0100.00917.86
7.4.130.0200.00316.48
7.4.120.0100.01016.51
7.4.110.0090.00816.61
7.4.100.0090.01116.45
7.4.90.0040.01216.34
7.4.80.0150.00319.39
7.4.70.0100.00716.30
7.4.60.0160.00616.32
7.4.50.0040.01116.48
7.4.40.0110.00516.41
7.4.30.0040.01216.62
7.4.00.0070.00714.89
7.3.330.0050.00013.00
7.3.320.0000.00513.24
7.3.310.0070.00016.31
7.3.300.0030.00316.09
7.3.290.0110.00716.34
7.3.280.0090.00816.25
7.3.270.0120.01217.40
7.3.260.0110.00816.41
7.3.250.0110.00816.37
7.3.240.0090.00916.45
7.3.230.0100.01016.23
7.3.210.0060.00916.14
7.3.200.0120.00916.38
7.3.190.0100.00616.38
7.3.180.0040.01216.10
7.3.170.0120.00316.38
7.3.160.0150.00916.30
7.2.330.0140.00316.77
7.2.320.0070.01016.25
7.2.310.0130.00316.49
7.2.300.0130.00516.55
7.2.290.0110.00416.46
7.2.60.0070.00716.72
7.1.200.0060.00615.64
7.1.110.0090.00317.97
7.1.100.0110.01117.77
7.1.90.0080.00818.08
7.1.80.0110.00418.15
7.1.70.0030.01217.13
7.1.60.0220.00435.14
7.1.50.0070.01834.85
7.1.40.0130.01734.41
7.1.30.0190.00934.42
7.1.20.0190.01334.58
7.1.10.0060.00916.44
7.1.00.0060.00916.53
7.0.250.0060.00917.48
7.0.240.0030.01317.82
7.0.230.0070.00717.89
7.0.220.0060.00917.91
7.0.210.0060.00916.50
7.0.200.0060.00616.71
7.0.190.0000.01416.48
7.0.180.0070.00716.22
7.0.170.0060.00616.30
7.0.160.0090.00616.30
7.0.150.0000.01416.18
7.0.140.0000.01416.32
7.0.130.0040.01116.75
7.0.120.0080.00516.50
7.0.110.0090.00316.30
7.0.100.0040.00716.26
7.0.90.0060.00916.20
7.0.80.0130.00016.43
7.0.70.0030.01016.45
7.0.60.0040.01116.24
7.0.50.0030.00916.31
7.0.40.0070.00716.60
7.0.30.0000.01516.42
7.0.20.0060.01016.38
7.0.10.0040.01116.52
7.0.00.0070.00716.43

preferences:
56.83 ms | 401 KiB | 5 Q