3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [ 1 => 'foo', 3 => 'bar', ]; var_dump(array_merge([null => ''], $foo));

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)
8.3.40.0070.00718.68
8.3.30.0040.01118.77
8.3.20.0040.00419.06
8.3.10.0040.00423.53
8.3.00.0110.00017.91
8.2.170.0150.00322.96
8.2.160.0160.00020.38
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0040.00420.35
8.2.120.0000.00726.35
8.2.110.0030.00622.11
8.2.100.0080.00317.72
8.2.90.0080.00019.09
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0090.00017.93
8.2.50.0000.00818.10
8.2.40.0000.00720.59
8.2.30.0000.00820.97
8.2.20.0050.00317.94
8.2.10.0040.00417.99
8.2.00.0030.00517.99
8.1.270.0000.00923.98
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00823.83
8.1.230.0070.00422.20
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.00
8.1.190.0000.00917.10
8.1.180.0040.00418.10
8.1.170.0060.00318.50
8.1.160.0050.00218.89
8.1.150.0050.00220.57
8.1.140.0000.01019.33
8.1.130.0000.00718.76
8.1.120.0050.00317.30
8.1.110.0040.00417.37
8.1.100.0000.00717.36
8.1.90.0050.00317.27
8.1.80.0030.00417.37
8.1.70.0040.00417.43
8.1.60.0040.00417.52
8.1.50.0080.00017.45
8.1.40.0030.00617.49
8.1.30.0000.00817.52
8.1.20.0030.00717.55
8.1.10.0000.00717.38
8.1.00.0040.00417.31
8.0.300.0000.00818.77
8.0.290.0050.00216.75
8.0.280.0000.00718.28
8.0.270.0000.00717.09
8.0.260.0000.00716.79
8.0.250.0000.00816.93
8.0.240.0070.00016.87
8.0.230.0050.00316.88
8.0.220.0000.00616.71
8.0.210.0000.00716.69
8.0.200.0060.00016.80
8.0.190.0000.01016.86
8.0.180.0060.00316.73
8.0.170.0070.00016.91
8.0.160.0000.00816.80
8.0.150.0030.00316.70
8.0.140.0070.00016.79
8.0.130.0000.00513.22
8.0.120.0070.00016.77
8.0.110.0070.00016.67
8.0.100.0040.00416.69
8.0.90.0000.00716.79
8.0.80.0060.01416.87
8.0.70.0040.00416.61
8.0.60.0040.00416.88
8.0.50.0040.00416.83
8.0.30.0120.00617.04
8.0.20.0130.00817.40
8.0.10.0000.00816.82
8.0.00.0130.00316.68
7.4.330.0000.00515.55
7.4.320.0030.00316.58
7.4.300.0000.00616.44
7.4.290.0040.00416.33
7.4.280.0000.00716.46
7.4.270.0000.00716.43
7.4.260.0060.00013.15
7.4.250.0030.00316.50
7.4.240.0030.00316.59
7.4.230.0040.00416.49
7.4.220.0070.01116.44
7.4.210.0030.01016.63
7.4.200.0050.00316.59
7.4.160.0070.01016.34
7.4.150.0000.01717.40
7.4.140.0130.00517.86
7.4.130.0070.01516.28
7.4.120.0090.00916.38
7.4.110.0170.00016.46
7.4.100.0120.01216.36
7.4.90.0040.01416.27
7.4.80.0090.00919.39
7.4.70.0120.00416.46
7.4.60.0040.01216.54
7.4.50.0070.00716.30
7.4.40.0030.01416.34
7.4.30.0130.00316.27
7.4.00.0070.01014.85
7.3.330.0000.00712.98
7.3.320.0030.00312.97
7.3.310.0030.00316.09
7.3.300.0070.00015.91
7.3.290.0050.00916.11
7.3.280.0080.00816.13
7.3.270.0060.01117.40
7.3.260.0110.00516.32
7.3.250.0100.00816.34
7.3.240.0090.00716.19
7.3.230.0100.00716.24
7.3.210.0100.01016.41
7.3.200.0120.00316.47
7.3.190.0090.01216.23
7.3.180.0110.00816.03
7.3.170.0040.01816.20
7.3.160.0030.01216.20
7.3.120.0090.00914.63
7.3.110.0070.00714.95
7.3.100.0130.00314.71
7.3.90.0100.00714.73
7.3.80.0060.00614.61
7.3.70.0090.00614.69
7.3.60.0000.01314.65
7.3.50.0070.01014.61
7.3.40.0030.01014.71
7.3.30.0030.00714.77
7.3.20.0030.01016.22
7.3.10.0100.00316.55
7.3.00.0060.00616.39
7.2.330.0060.01916.54
7.2.320.0110.00516.19
7.2.310.0000.01616.57
7.2.300.0100.00616.52
7.2.290.0120.00616.26
7.2.250.0180.00014.96
7.2.240.0120.00914.73
7.2.230.0060.01214.81
7.2.220.0090.00614.68
7.2.210.0090.00615.02
7.2.200.0100.00314.87
7.2.190.0040.01114.83
7.2.180.0030.01214.78
7.2.170.0030.01015.03
7.2.60.0110.00316.73
7.2.50.0090.00316.71
7.2.00.0070.01019.14
7.1.330.0070.00715.63
7.1.320.0050.00515.54
7.1.310.0000.01215.68
7.1.300.0040.01115.89
7.1.290.0060.00615.45
7.1.280.0040.00415.71
7.1.270.0040.00415.71
7.1.260.0060.00315.82
7.1.200.0070.00315.54
7.1.100.0040.00818.14
7.1.70.0070.00717.18
7.1.60.4600.01733.18
7.1.50.3570.01332.76
7.1.40.3900.01032.41
7.1.30.6030.01732.45
7.1.20.3900.02032.57
7.1.10.0030.01714.66
7.1.00.0570.01314.99
7.0.200.5100.01014.84
7.0.190.5430.01314.53
7.0.180.4900.02014.41
7.0.170.4870.01014.46
7.0.160.4200.01314.32
7.0.150.0170.00314.32
7.0.140.0100.02014.35
7.0.130.0170.00314.63
7.0.120.0130.01314.70
7.0.110.0200.00714.29
7.0.100.0170.01014.34
7.0.90.0070.02014.24
7.0.80.3730.01314.39
7.0.70.0170.01314.60
7.0.60.2270.01314.30
7.0.50.1600.01014.35
7.0.40.3630.02014.72
7.0.30.3730.01314.41
7.0.20.4270.01014.57
7.0.10.0130.02014.27
7.0.00.0270.00014.61

preferences:
44.02 ms | 400 KiB | 5 Q