3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('x' => array(3, 4)); $b = array('x' => []); print_r($b + $a);

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)
8.3.40.0120.00318.81
8.3.30.0030.01018.83
8.3.20.0060.00319.98
8.3.10.0060.00321.63
8.3.00.0080.00020.82
8.2.170.0110.00422.96
8.2.160.0140.00022.11
8.2.150.0100.00724.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00419.64
8.2.110.0060.00320.97
8.2.100.0000.01117.78
8.2.90.0080.00019.11
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0090.00017.90
8.2.50.0040.00418.07
8.2.40.0050.00319.95
8.2.30.0000.00717.97
8.2.20.0040.00417.67
8.2.10.0070.00017.86
8.2.00.0040.00417.62
8.1.270.0030.01024.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.79
8.1.230.0090.00319.48
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0080.00017.10
8.1.180.0030.00518.10
8.1.170.0000.00818.48
8.1.160.0000.00721.93
8.1.150.0040.00418.80
8.1.140.0030.00619.07
8.1.130.0070.00017.81
8.1.120.0030.00317.29
8.1.110.0000.00817.42
8.1.100.0040.00417.39
8.1.90.0000.00717.29
8.1.80.0000.00817.36
8.1.70.0000.00817.27
8.1.60.0030.00617.39
8.1.50.0020.00517.45
8.1.40.0070.00017.32
8.1.30.0030.00617.58
8.1.20.0040.00417.40
8.1.10.0000.00717.39
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0060.00316.58
8.0.280.0070.00018.37
8.0.270.0000.00817.05
8.0.260.0060.00017.14
8.0.250.0030.00316.86
8.0.240.0030.00516.88
8.0.230.0080.00016.93
8.0.220.0000.00716.74
8.0.210.0040.00416.75
8.0.200.0000.00616.83
8.0.190.0080.00016.95
8.0.180.0000.00816.85
8.0.170.0080.00016.94
8.0.160.0000.00716.96
8.0.150.0080.00016.80
8.0.140.0000.00716.86
8.0.130.0060.00013.26
8.0.120.0050.00316.81
8.0.110.0000.00716.89
8.0.100.0040.00416.76
8.0.90.0000.00816.93
8.0.80.0070.01416.89
8.0.70.0000.00716.76
8.0.60.0030.00616.77
8.0.50.0040.00416.86
8.0.30.0130.00617.13
8.0.20.0080.01617.40
8.0.10.0000.00817.00
8.0.00.0060.01216.59
7.4.330.0020.00215.03
7.4.320.0030.00316.43
7.4.300.0000.00716.43
7.4.290.0030.00316.50
7.4.280.0070.00316.42
7.4.270.0060.00016.28
7.4.260.0030.00316.55
7.4.250.0070.00016.40
7.4.240.0030.00316.47
7.4.230.0000.00716.50
7.4.220.0100.00716.58
7.4.210.0030.01116.50
7.4.200.0030.00316.17
7.4.160.0160.00016.35
7.4.150.0150.00417.40
7.4.140.0070.01017.86
7.4.130.0120.00416.41
7.4.120.0060.01116.38
7.4.110.0000.01816.20
7.4.100.0070.01016.36
7.4.90.0060.01316.22
7.4.80.0170.00616.46
7.4.70.0040.01316.31
7.4.60.0030.01216.46
7.4.50.0040.00416.37
7.4.40.0030.01516.37
7.4.30.0120.01316.43
7.4.00.0100.00714.91
7.3.330.0050.00013.11
7.3.320.0100.00313.06
7.3.310.0030.00316.05
7.3.300.0000.00716.21
7.3.290.0070.00016.04
7.3.280.0080.00916.24
7.3.270.0100.00717.40
7.3.260.0130.00316.33
7.3.250.0130.00416.17
7.3.240.0160.00016.21
7.3.230.0060.01116.39
7.3.210.0030.01316.23
7.3.200.0150.00319.39
7.3.190.0150.00316.37
7.3.180.0170.00716.48
7.3.170.0110.00616.27
7.3.160.0070.01016.29
7.3.120.0100.00714.92
7.3.110.0100.01014.74
7.3.100.0030.01314.73
7.3.90.0090.00614.41
7.3.80.0070.00715.01
7.3.70.0000.01314.51
7.3.60.0110.00414.80
7.3.50.0060.00614.75
7.3.40.0060.00614.32
7.3.30.0060.01014.80
7.3.20.0070.00716.58
7.3.10.0120.00016.34
7.3.00.0070.00716.58
7.2.330.0030.01316.55
7.2.320.0080.00816.34
7.2.310.0140.00616.30
7.2.300.0150.00316.41
7.2.290.0130.00916.32
7.2.250.0080.01114.72
7.2.240.0100.01014.61
7.2.230.0040.00714.70
7.2.220.0110.00415.09
7.2.210.0070.00714.74
7.2.200.0040.01214.64
7.2.190.0040.01214.91
7.2.180.0100.00315.01
7.2.170.0080.00414.88
7.2.60.0130.00916.85
7.2.00.0030.00919.15
7.1.330.0070.01015.76
7.1.320.0030.01015.59
7.1.310.0040.01215.75
7.1.300.0030.01415.47
7.1.290.0030.01015.67
7.1.280.0080.00415.65
7.1.270.0060.00615.47
7.1.260.0040.01115.71
7.1.200.0060.00915.65
7.1.100.0000.01317.98
7.1.70.0060.00617.16
7.1.60.0040.01219.46
7.1.50.0060.00616.97
7.1.00.0000.08022.57
7.0.200.0090.00614.51
7.0.140.0030.03321.97
7.0.60.0100.07020.06
7.0.50.0170.07717.78
7.0.40.0100.08720.18
7.0.30.0130.04720.29
7.0.20.0200.08320.04
7.0.10.0300.08020.00
7.0.00.0070.08320.32
5.6.280.0030.07020.91
5.6.210.0130.08020.52
5.6.200.0100.07718.11
5.6.190.0000.04720.77
5.6.180.3530.04020.57
5.6.170.0230.03320.71
5.6.160.0070.06020.48
5.6.150.0000.04018.18
5.6.140.0070.08318.18
5.6.130.0070.07718.08
5.6.120.0030.08021.01
5.6.110.0100.08721.13
5.6.100.0000.04721.02
5.6.90.0100.08321.09
5.6.80.0200.03020.35
5.6.70.0400.06320.37
5.5.350.0330.06020.29
5.5.340.0070.06018.02
5.5.330.0070.09320.39
5.5.320.0430.04020.29
5.5.310.0270.07720.41
5.5.300.0100.03718.01
5.5.290.0070.04718.02
5.5.280.0070.09020.89
5.5.270.0170.03720.79
5.5.260.0100.06720.79
5.5.250.0130.07320.70
5.5.240.0230.02720.18
5.4.450.0670.05719.43
5.4.440.0630.06019.10
5.4.430.1170.05019.44
5.4.420.0070.05719.44
5.4.410.0900.06019.43
5.4.400.0600.05019.00
5.4.390.0030.05718.61
5.4.380.0100.06018.65
5.4.370.0130.05018.61
5.4.360.0000.06018.72
5.4.350.0000.06318.69
5.4.340.0000.06318.49
5.4.320.0070.05718.71
5.4.310.0070.05318.72
5.4.300.0070.07318.48
5.4.290.0070.05318.68
5.4.280.0100.06318.50
5.4.270.0130.04718.68
5.4.260.0000.07318.68
5.4.250.0130.05018.70
5.4.240.0130.05318.69
5.4.230.0130.05318.72
5.4.220.0070.05718.69
5.4.210.0070.07018.67
5.4.200.0100.04716.48
5.4.190.0100.05318.48
5.4.180.0130.04718.54
5.4.170.0100.05018.71
5.4.160.0170.06018.54
5.4.150.0070.07318.62
5.4.140.0030.06316.25
5.4.130.0130.05316.26
5.4.120.0130.05716.08
5.4.110.0130.05716.25
5.4.100.0100.05016.34
5.4.90.0070.05716.25
5.4.80.0100.06016.24
5.4.70.0130.05316.21
5.4.60.0070.06716.29
5.4.50.0100.06316.22
5.4.40.0100.06016.00
5.4.30.0100.04716.13
5.4.20.0170.06016.22
5.4.10.0070.06016.27
5.4.00.0030.05715.77
5.3.290.0130.05714.66
5.3.280.0070.05714.48
5.3.270.0100.06714.52
5.3.260.0100.06714.56
5.3.250.0070.06714.52
5.3.240.0070.07314.60
5.3.230.0030.05714.58
5.3.220.0100.05014.54
5.3.210.0100.05714.46
5.3.200.0030.07314.66
5.3.190.0070.07014.66
5.3.180.0100.07314.49
5.3.170.0000.05714.49
5.3.160.0070.06714.57
5.3.150.0100.06714.50
5.3.140.0070.05014.59
5.3.130.0070.07014.48
5.3.120.0070.07714.54
5.3.110.0130.07014.64
5.3.100.0030.05713.95
5.3.90.0000.06314.00
5.3.80.0170.05314.01
5.3.70.0130.05714.11
5.3.60.0070.05314.08
5.3.50.0100.04714.03
5.3.40.0130.04313.93
5.3.30.0030.06013.82
5.3.20.0030.05013.70
5.3.10.0030.05013.65
5.3.00.0030.06313.55
5.2.170.0000.05011.10
5.2.160.0070.04011.18
5.2.150.0130.03711.09
5.2.140.0000.05011.29
5.2.130.0100.04011.03
5.2.120.0070.04311.10
5.2.110.0000.04311.09
5.2.100.0030.04011.09
5.2.90.0000.04311.24
5.2.80.0070.04711.08
5.2.70.0070.04311.15
5.2.60.0000.05011.02
5.2.50.0130.04711.05
5.2.40.0030.05310.95
5.2.30.0030.06011.12
5.2.20.0030.05310.99
5.2.10.0100.04010.90
5.2.00.0030.04710.69
5.1.60.0000.0479.97
5.1.50.0000.04310.09
5.1.40.0070.03710.03
5.1.30.0030.05310.38
5.1.20.0000.06010.32
5.1.10.0070.03310.08
5.1.00.0030.04010.12
5.0.50.0100.0238.59
5.0.40.0000.0338.42
5.0.30.0100.0478.20
5.0.20.0070.0278.25
5.0.10.0030.0338.16
5.0.00.0000.0538.29
4.4.90.0070.0275.92
4.4.80.0070.0275.94
4.4.70.0000.0305.86
4.4.60.0070.0305.90
4.4.50.0000.0235.86
4.4.40.0070.0405.94
4.4.30.0000.0375.86
4.4.20.0030.0275.93
4.4.10.0030.0235.93
4.4.00.0030.0335.93
4.3.110.0030.0235.83
4.3.100.0030.0205.85
4.3.90.0070.0175.86
4.3.80.0000.0375.82
4.3.70.0030.0205.76
4.3.60.0030.0205.82
4.3.50.0000.0275.81
4.3.40.0030.0335.77
4.3.30.0100.0204.70
4.3.20.0030.0274.54
4.3.10.0130.0134.52
4.3.00.0100.0237.06

preferences:
52.28 ms | 400 KiB | 5 Q