3v4l.org

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

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)
8.3.70.0190.00318.43
8.3.60.0100.00718.18
8.3.50.0130.00615.84
8.3.40.0150.00018.77
8.3.30.0040.01218.39
8.3.20.0000.00818.88
8.3.10.0080.00020.83
8.3.00.0090.00017.68
8.2.190.0100.00716.58
8.2.180.0070.01316.38
8.2.170.0070.01022.96
8.2.160.0070.00718.91
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00719.64
8.2.110.0040.00422.25
8.2.100.0060.00617.59
8.2.90.0050.00317.62
8.2.80.0080.00018.62
8.2.70.0000.00817.91
8.2.60.0050.00317.80
8.2.50.0000.00818.10
8.2.40.0040.00419.05
8.2.30.0040.00419.18
8.2.20.0070.00017.87
8.2.10.0040.00418.01
8.2.00.0040.00419.17
8.1.280.0120.00925.92
8.1.270.0000.00823.96
8.1.260.0070.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.73
8.1.230.0000.01119.22
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0000.00918.43
8.1.160.0070.00018.76
8.1.150.0070.00018.64
8.1.140.0000.00817.67
8.1.130.0000.00718.82
8.1.120.0050.00317.38
8.1.110.0040.00617.30
8.1.100.0000.00917.33
8.1.90.0050.00217.31
8.1.80.0080.00317.26
8.1.70.0030.00317.26
8.1.60.0000.01117.46
8.1.50.0050.00317.41
8.1.40.0060.00317.41
8.1.30.0040.00417.55
8.1.20.0080.00017.53
8.1.10.0030.00517.32
8.1.00.0000.00917.23
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0030.00318.19
8.0.270.0000.00816.97
8.0.260.0000.00617.13
8.0.250.0050.00216.83
8.0.240.0000.00716.79
8.0.230.0000.00716.81
8.0.220.0000.00716.83
8.0.210.0070.00016.82
8.0.200.0040.00416.87
8.0.190.0030.00516.82
8.0.180.0040.00416.80
8.0.170.0000.00816.79
8.0.160.0090.00016.76
8.0.150.0070.00016.74
8.0.140.0030.00516.73
8.0.130.0000.00513.21
8.0.120.0000.00916.62
8.0.110.0040.00416.77
8.0.100.0070.00016.78
8.0.90.0000.01016.88
8.0.80.0060.01016.81
8.0.70.0000.00716.70
8.0.60.0040.00416.63
8.0.50.0040.00416.66
8.0.30.0100.00916.97
8.0.20.0120.00617.40
8.0.10.0050.00216.87
8.0.00.0070.01216.70
7.4.330.0020.00215.55
7.4.320.0070.00016.30
7.4.300.0060.00016.29
7.4.290.0030.00316.31
7.4.280.0050.00316.49
7.4.270.0050.00216.50
7.4.260.0000.00716.36
7.4.250.0060.00016.33
7.4.240.0040.00416.38
7.4.230.0000.00716.50
7.4.220.0030.00616.46
7.4.210.0050.01016.53
7.4.200.0070.00016.47
7.4.160.0110.00416.29
7.4.140.0100.01017.86
7.4.130.0060.01216.21
7.4.120.0090.01016.39
7.4.110.0060.01216.59
7.4.100.0060.01016.48
7.4.90.0030.01416.48
7.4.80.0090.01019.39
7.4.70.0100.00616.37
7.4.60.0110.00716.23
7.4.50.0060.01316.41
7.4.40.0120.00616.52
7.4.00.0030.01014.77
7.3.330.0040.00413.06
7.3.320.0000.00512.89
7.3.310.0030.00316.21
7.3.300.0030.00316.18
7.3.290.0030.00315.99
7.3.280.0100.00916.18
7.3.260.0070.01116.18
7.3.240.0070.00916.25
7.3.230.0100.00616.42
7.3.210.0060.01116.34
7.3.200.0030.01316.10
7.3.190.0100.00616.47
7.3.180.0130.00416.11
7.3.170.0000.01516.16
7.3.160.0070.01016.02
7.3.10.0110.00016.58
7.3.00.0110.00416.49
7.2.330.0130.01016.23
7.2.320.0110.00816.45
7.2.310.0150.00316.14
7.2.300.0120.00616.15
7.2.290.0130.01116.44
7.2.130.0090.00016.29
7.2.120.0060.00916.64
7.2.110.0090.00016.60
7.2.100.0060.00616.79
7.2.90.0040.00716.79
7.2.80.0050.00516.62
7.2.70.0000.00916.47
7.2.60.0120.00815.75
7.2.50.2980.00815.76
7.2.40.3180.00816.09
7.2.30.3480.00516.04
7.2.20.2970.01215.98
7.2.10.2860.01215.92
7.2.00.3350.00616.03
7.1.250.0030.00915.34
7.1.200.0060.00615.61
7.1.170.7090.00913.75
7.1.160.6820.01516.60
7.1.150.6650.01216.68
7.1.140.6980.01116.58
7.1.130.7120.01516.52
7.1.120.5860.01516.68
7.1.110.8550.01515.89
7.1.100.4350.01215.98
7.1.90.0350.01216.12
7.1.80.1210.01215.75
7.1.70.0970.01215.12
7.1.60.0340.01832.90
7.1.50.0560.01432.88
7.1.40.0330.01432.36
7.1.30.8500.01232.53
7.1.20.0310.01832.55
7.1.10.0290.01114.60
7.1.00.0090.00914.60

preferences:
48.02 ms | 401 KiB | 5 Q