3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = ['USD', 'GBP']; $y = ['USED']; var_dump(array_merge($x, $y));

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)
8.3.60.0090.00918.55
8.3.50.0080.00516.22
8.3.40.0120.00318.50
8.3.30.0040.01118.62
8.3.20.0040.00418.82
8.3.10.0080.00020.78
8.3.00.0080.00017.68
8.2.180.0110.00716.63
8.2.170.0070.01422.96
8.2.160.0110.00420.52
8.2.150.0080.00025.66
8.2.140.0000.00824.66
8.2.130.0040.00419.40
8.2.120.0080.00026.35
8.2.110.0090.00020.51
8.2.100.0090.00317.66
8.2.90.0040.00417.63
8.2.80.0030.00518.66
8.2.70.0030.00617.80
8.2.60.0000.00817.80
8.2.50.0000.00818.10
8.2.40.0000.00921.13
8.2.30.0050.00319.38
8.2.20.0000.00717.88
8.2.10.0040.00418.09
8.2.00.0070.00019.29
8.1.280.0100.01025.92
8.1.270.0000.00723.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.01117.36
8.1.230.0070.00419.00
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0050.00317.23
8.1.190.0040.00416.88
8.1.180.0030.00518.10
8.1.170.0000.00918.37
8.1.160.0000.00720.66
8.1.150.0040.00418.86
8.1.140.0040.00417.57
8.1.130.0040.00418.99
8.1.120.0070.00017.29
8.1.110.0030.00717.27
8.1.100.0000.00717.42
8.1.90.0050.00217.35
8.1.80.0070.00017.34
8.1.70.0040.00417.39
8.1.60.0040.00717.54
8.1.50.0030.00517.48
8.1.40.0040.00417.46
8.1.30.0040.00417.57
8.1.20.0040.00417.54
8.1.10.0000.00917.34
8.1.00.0030.00617.38
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0030.00318.37
8.0.270.0070.00017.10
8.0.260.0060.00617.18
8.0.250.0060.00016.86
8.0.240.0080.00016.89
8.0.230.0000.00716.86
8.0.220.0030.00316.80
8.0.210.0000.00716.72
8.0.200.0030.00316.71
8.0.190.0030.00616.88
8.0.180.0040.00416.80
8.0.170.0060.00616.84
8.0.160.0070.00016.85
8.0.150.0000.00716.77
8.0.140.0000.00716.78
8.0.130.0050.00013.28
8.0.120.0080.00016.68
8.0.110.0000.00816.68
8.0.100.0060.00316.70
8.0.90.0040.00416.73
8.0.80.0120.00916.76
8.0.70.0040.00416.85
8.0.60.0020.00516.88
8.0.50.0000.00716.76
8.0.30.0080.01117.04
8.0.20.0100.01117.40
8.0.10.0040.00416.84
8.0.00.0100.00816.70
7.4.330.0050.00015.55
7.4.320.0060.00016.57
7.4.300.0060.00016.49
7.4.290.0080.00016.47
7.4.280.0000.00716.44
7.4.270.0030.00316.43
7.4.260.0030.00316.54
7.4.250.0030.00316.48
7.4.240.0040.00416.55
7.4.230.0030.00316.62
7.4.220.0040.00416.55
7.4.210.0110.00616.42
7.4.200.0000.00716.18
7.4.160.0080.00716.45
7.4.140.0150.00717.86
7.4.130.0060.01216.50
7.4.120.0110.00816.43
7.4.110.0120.00616.36
7.4.100.0000.01716.47
7.4.90.0100.00616.34
7.4.80.0030.01319.39
7.4.70.0120.00916.45
7.4.60.0170.00016.50
7.4.50.0080.00816.34
7.4.40.0100.00716.43
7.4.10.0060.00914.77
7.4.00.0070.00814.78
7.3.330.0030.00313.11
7.3.320.0000.00612.86
7.3.310.0000.00616.20
7.3.300.0030.00316.04
7.3.290.0070.00016.13
7.3.280.0100.00616.10
7.3.260.0090.01016.31
7.3.240.0110.00716.30
7.3.230.0070.00916.05
7.3.210.0150.00816.47
7.3.200.0000.01616.22
7.3.190.0060.01016.25
7.3.180.0090.00616.33
7.3.170.0170.00316.18
7.3.160.0170.00616.48
7.3.130.0050.00814.96
7.3.120.0050.01114.66
7.3.110.0050.01214.78
7.3.100.0100.00514.63
7.3.90.0080.00814.77
7.3.80.0060.00314.76
7.3.70.0030.01414.51
7.3.60.0070.00714.72
7.3.50.0050.01014.68
7.3.40.0040.00614.71
7.3.30.0080.00614.71
7.3.20.0060.00916.63
7.3.10.0110.00516.31
7.3.00.0070.00816.53
7.2.330.0100.01316.36
7.2.320.0110.01116.22
7.2.310.0060.01616.56
7.2.300.0120.00616.07
7.2.290.0160.00816.26
7.2.260.0060.01214.70
7.2.250.0030.01314.76
7.2.240.0070.00814.76
7.2.230.0060.01014.90
7.2.220.0090.00814.77
7.2.210.0100.00714.80
7.2.200.0060.00914.74
7.2.190.0020.01314.57
7.2.180.0050.01114.75
7.2.170.0030.01214.83
7.2.160.0050.00614.91
7.2.150.0030.01116.63
7.2.140.0070.00716.60
7.2.130.0030.01016.43
7.2.120.0090.00716.37
7.2.110.0060.00816.65
7.2.100.0080.00616.57
7.2.90.0040.01116.49
7.2.80.0060.00916.72
7.2.70.0050.01216.71
7.2.60.0490.00916.13
7.2.50.0480.00916.08
7.2.40.0420.00916.26
7.2.30.0580.01116.35
7.2.20.0580.00816.23
7.2.10.0780.01016.25
7.2.00.0630.00716.33
7.1.330.0050.00915.62
7.1.320.0050.01015.77
7.1.310.0030.01215.76
7.1.300.0060.00615.52
7.1.290.0030.00815.64
7.1.280.0030.00715.76
7.1.270.0020.00915.59
7.1.260.0070.00515.76
7.1.250.0060.00815.45
7.1.240.0100.00315.76
7.1.230.0040.00815.75
7.1.220.0030.00915.55
7.1.210.0110.00315.61
7.1.200.0040.01115.67
7.1.190.0070.00715.83
7.1.180.0140.00015.66
7.1.170.0980.00514.66
7.1.160.1250.00816.02
7.1.150.1250.01316.04
7.1.140.0860.00916.32
7.1.130.0930.00516.19
7.1.120.1140.01016.30
7.1.110.1070.00815.97
7.1.100.0940.00616.03
7.1.90.1250.01115.80
7.1.80.0960.01016.09
7.1.70.1130.00615.37
7.1.60.1390.00924.38
7.1.50.1350.00924.27
7.1.40.1310.01124.06
7.1.30.1260.01124.16
7.1.20.1410.01223.96
7.1.10.1320.00815.05
7.1.00.1400.00815.33
7.0.330.0100.00315.30
7.0.320.0000.01515.22
7.0.310.0060.00915.05
7.0.300.0090.00015.13
7.0.290.0070.00315.21
7.0.280.0060.00915.29
7.0.270.0050.00515.33
7.0.260.0090.00015.31
7.0.250.0090.00015.43
7.0.240.0060.00615.04
7.0.230.0140.00015.36
7.0.220.0030.00615.47
7.0.210.0030.00615.26
7.0.200.0030.01015.29
7.0.190.0100.00715.26
7.0.180.0040.01215.50
7.0.170.0040.00415.49
7.0.160.0040.01115.48
7.0.150.0150.00015.39
7.0.140.0050.00515.20
7.0.130.0100.00315.31
7.0.120.0030.00915.32
7.0.110.0000.01215.38
7.0.100.0030.01015.09
7.0.90.0030.00515.38
7.0.80.0060.00615.39
7.0.70.0040.01115.24
7.0.60.0000.01415.46
7.0.50.0070.00715.34
7.0.40.0030.01013.27
7.0.30.0070.00713.36
7.0.20.0030.01013.42
7.0.10.0000.01413.47
7.0.00.0060.00313.54
5.6.400.0030.00714.66
5.6.390.0110.00414.20
5.6.380.0030.00914.47
5.6.370.0030.00514.08
5.6.360.0070.00714.19
5.6.350.0030.01314.04
5.6.340.0000.01514.43
5.6.330.0030.01014.64
5.6.320.0030.01013.86
5.6.310.0030.00914.28
5.6.300.0040.00414.28
5.6.290.0030.01013.85
5.6.280.0030.01313.95
5.6.270.0060.00514.22
5.6.260.0000.01514.13
5.6.250.0060.00314.50
5.6.240.0000.00914.15
5.6.230.0030.01013.94
5.6.220.0000.00814.16
5.6.210.0040.01114.37
5.6.200.0120.00014.25
5.6.190.0090.00314.14
5.6.180.0070.00714.16
5.6.170.0000.01414.18
5.6.160.0120.00314.27
5.6.150.0040.01114.50
5.6.140.0030.00714.40
5.6.130.0110.00414.26
5.6.120.0090.00614.42
5.6.110.0070.00714.33
5.6.100.0040.01113.88
5.6.90.0030.01414.49
5.6.80.0040.00813.80
5.6.70.0030.01014.25
5.6.60.0060.00614.11
5.6.50.0060.00614.14
5.6.40.0000.01314.10
5.6.30.0060.01014.07
5.6.20.0060.00614.16
5.6.10.0030.01014.23
5.6.00.0130.00014.33

preferences:
59.61 ms | 401 KiB | 5 Q