3v4l.org

run code in 300+ PHP versions simultaneously
<?php $merge = ['key' => 'val']; print_r(['testing' => 'value', ...$merge]);

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)
8.4.140.0120.00917.48
8.4.130.0120.00718.88
8.4.120.0100.01017.77
8.4.110.0090.00424.05
8.4.100.0090.01217.71
8.4.90.0090.01120.49
8.4.80.0120.00718.75
8.4.70.0110.00917.57
8.4.60.0060.00318.55
8.4.50.0100.01019.40
8.4.40.0120.00817.46
8.4.30.0070.01418.55
8.4.20.0070.01317.81
8.4.10.0060.00319.35
8.3.270.0130.00816.46
8.3.260.0120.00616.42
8.3.250.0100.00916.61
8.3.240.0100.00916.50
8.3.230.0050.00416.39
8.3.220.0070.00119.02
8.3.210.0080.01116.57
8.3.200.0050.00416.40
8.3.190.0120.00616.98
8.3.180.0100.00816.60
8.3.170.0100.00719.04
8.3.160.0140.00416.41
8.3.150.0050.00517.04
8.3.140.0080.00020.34
8.3.130.0030.00518.24
8.3.120.0030.00918.85
8.3.110.0060.00320.94
8.3.100.0030.00524.06
8.3.90.0080.00326.77
8.3.80.0090.00016.50
8.3.70.0110.00416.63
8.3.60.0150.00018.03
8.3.50.0110.00624.32
8.3.40.0170.00018.64
8.3.30.0040.01118.36
8.3.20.0030.00621.81
8.3.10.0040.00420.14
8.3.00.0040.00423.56
8.2.290.0040.00516.61
8.2.280.0060.00318.52
8.2.270.0140.00418.43
8.2.260.0050.00317.27
8.2.250.0030.00718.43
8.2.240.0060.01318.71
8.2.230.0060.00322.58
8.2.220.0140.00437.54
8.2.210.0000.00726.77
8.2.200.0060.00316.50
8.2.190.0170.00316.58
8.2.180.0090.00918.18
8.2.170.0090.00622.96
8.2.160.0140.00022.04
8.2.150.0030.00624.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.23
8.2.110.0090.00022.24
8.2.100.0000.01117.91
8.2.90.0030.00617.63
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00517.75
8.2.50.0040.00418.05
8.2.40.0040.00418.22
8.2.30.0040.00418.17
8.2.20.0040.00418.09
8.2.10.0040.00419.23
8.2.00.0000.00719.15
8.1.330.0070.01016.22
8.1.320.0100.01016.14
8.1.310.0000.00816.82
8.1.300.0090.00617.66
8.1.290.0040.00718.88
8.1.280.0070.01025.92
8.1.270.0030.00520.27
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0050.00523.89
8.1.230.0060.00619.15
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0040.00418.84
8.1.150.0050.00218.87
8.1.140.0040.00418.78
8.1.130.0070.00419.85
8.1.120.0040.00417.36
8.1.110.0030.00517.45
8.1.100.0030.00517.32
8.1.90.0040.00417.28
8.1.80.0080.00017.41
8.1.70.0050.00217.25
8.1.60.0080.00017.52
8.1.50.0030.00517.49
8.1.40.0040.00417.46
8.1.30.0040.00417.57
8.1.20.0030.00617.53
8.1.10.0040.00417.45
8.1.00.0040.00717.57
8.0.300.0000.00721.55
8.0.290.0030.00516.75
8.0.280.0000.00718.38
8.0.270.0040.00417.99
8.0.260.0060.00018.50
8.0.250.0030.00317.02
8.0.240.0030.00316.98
8.0.230.0000.00816.88
8.0.220.0000.00616.96
8.0.210.0040.00416.92
8.0.200.0000.00617.04
8.0.190.0080.00017.04
8.0.180.0000.00816.99
8.0.170.0030.00517.00
8.0.160.0000.00817.02
8.0.150.0000.00716.77
8.0.140.0000.00916.95
8.0.130.0030.00313.45
8.0.120.0040.00416.91
8.0.110.0040.00416.82
8.0.100.0000.00716.79
8.0.90.0040.00417.00
8.0.80.0090.00916.94
8.0.70.0040.00416.82
8.0.60.0040.00416.97
8.0.50.0000.00716.83
8.0.30.0080.00816.99
8.0.20.0110.00817.20
8.0.10.0040.00417.13
8.0.00.0070.01416.62
7.4.330.0040.00015.55
7.4.320.0070.00016.35
7.4.300.0030.00316.51
7.4.290.0070.00016.42
7.4.280.0000.00716.56
7.4.270.0030.00316.41
7.4.260.0030.00213.25
7.4.250.0070.00016.36
7.4.240.0050.00216.50
7.4.230.0030.00316.67
7.4.220.0030.00316.54
7.4.210.0100.00616.56
7.4.200.0000.00716.50
7.4.130.0120.00716.53
7.4.120.0090.00916.56
7.4.110.0070.01016.56
7.4.100.0130.00916.57
7.4.90.0100.00716.70
7.4.80.0030.01319.39
7.4.70.0070.01316.54
7.4.60.0080.00916.54
7.4.50.0100.00716.28
7.4.40.0120.00516.34
7.4.30.0120.00516.23
7.4.20.0110.00516.29
7.4.10.0100.00616.27
7.4.00.0030.01316.60
7.3.330.0040.00416.21
7.3.320.0060.00012.99
7.3.310.0030.00316.02
7.3.300.0030.00316.21
7.3.290.0090.00716.14
7.3.280.0100.01016.20
7.3.260.0040.01516.20
7.3.240.0090.01116.23
7.3.230.0090.00916.37
7.3.210.0100.00616.19
7.3.200.0040.01716.39
7.3.190.0160.00316.26
7.3.180.0070.01016.26
7.3.170.0090.00816.21
7.3.160.0020.01516.19
7.3.150.0100.00616.15
7.3.140.0050.01016.02
7.3.130.0050.01116.23
7.3.120.0050.01016.23
7.3.110.0110.00716.26
7.3.100.0080.00716.22
7.3.90.0070.00816.21
7.3.80.0110.00516.21
7.3.70.0080.00816.19
7.3.60.0060.01016.13
7.3.50.0120.00416.18
7.3.40.0050.01116.19
7.3.30.0070.00816.22
7.3.20.0130.00416.12
7.3.10.0030.01316.09
7.3.00.0050.01216.07
7.2.330.0040.01516.20
7.2.320.0070.01016.24
7.2.310.0090.00916.22
7.2.300.0040.01216.09
7.2.290.0060.01016.35
7.2.280.0050.01316.19
7.2.270.0110.00516.14
7.2.260.0040.01216.37
7.2.250.0090.00916.37
7.2.240.0020.01516.32
7.2.230.0110.00516.16
7.2.220.0070.00916.25
7.2.210.0120.00516.38
7.2.200.0080.00916.33
7.2.190.0080.00816.16
7.2.180.0130.00316.26
7.2.170.0090.00616.33
7.2.160.0110.00516.41
7.2.150.0100.00816.36
7.2.140.0100.00816.31
7.2.130.0090.01116.39
7.2.120.0130.01616.40
7.2.110.0100.01016.36
7.2.100.0100.00916.27
7.2.90.0080.00916.41
7.2.80.0090.00916.38
7.2.70.0070.01016.29
7.2.60.0090.00916.29
7.2.50.0150.00316.20
7.2.40.0030.01316.27
7.2.30.0160.00316.33
7.2.20.0080.01516.29
7.2.10.0130.00916.25
7.2.00.0120.00516.43

preferences:
32.77 ms | 403 KiB | 5 Q