3v4l.org

run code in 300+ PHP versions simultaneously
<?php $one = array(array('key'=>'val')); $two = array(array('key1'=>'val1'),array('key2'=>'val2')); //array_unshift($one, $two); print_r($one + $two);

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)
8.3.60.0100.01018.17
8.3.50.0090.01121.93
8.3.40.0140.00718.51
8.3.30.0060.01318.84
8.3.20.0070.00020.02
8.3.10.0070.00722.09
8.3.00.0000.00822.53
8.2.180.0140.00716.50
8.2.170.0000.01422.96
8.2.160.0100.00320.35
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0090.00926.16
8.2.120.0080.00019.36
8.2.110.0000.00922.26
8.2.100.0090.00317.91
8.2.90.0050.00321.01
8.2.80.0000.00817.97
8.2.70.0000.01017.50
8.2.60.0000.00817.90
8.2.50.0030.00618.07
8.2.40.0020.00518.16
8.2.30.0060.00618.05
8.2.20.0000.00717.68
8.2.10.0040.00417.63
8.2.00.0000.00817.64
8.1.280.0070.01425.92
8.1.270.0060.00322.24
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.53
8.1.230.0100.00017.71
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0080.00017.53
8.1.180.0090.00018.10
8.1.170.0030.00618.58
8.1.160.0070.00021.81
8.1.150.0040.00418.64
8.1.140.0070.00017.29
8.1.130.0000.00717.76
8.1.120.0000.00717.39
8.1.110.0040.00417.39
8.1.100.0030.00417.37
8.1.90.0000.00717.24
8.1.80.0040.00417.40
8.1.70.0000.00617.27
8.1.60.0090.00017.39
8.1.50.0030.00517.41
8.1.40.0030.00517.33
8.1.30.0030.00517.48
8.1.20.0000.00717.48
8.1.10.0000.00817.41
8.1.00.0030.00617.23
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0030.00318.27
8.0.270.0030.00317.23
8.0.260.0000.00816.72
8.0.250.0060.00016.98
8.0.240.0080.00016.92
8.0.230.0000.00717.00
8.0.220.0000.00716.79
8.0.210.0030.00316.83
8.0.200.0000.00616.89
8.0.190.0000.00716.93
8.0.180.0000.00716.90
8.0.170.0030.00516.91
8.0.160.0040.00416.94
8.0.150.0000.00716.71
8.0.140.0050.00316.82
8.0.130.0000.00613.24
8.0.120.0020.00516.90
8.0.110.0000.00716.70
8.0.100.0000.00816.69
8.0.90.0000.00716.93
8.0.80.0070.01416.83
8.0.70.0000.00816.90
8.0.60.0000.00716.74
8.0.50.0040.00416.69
8.0.30.0070.01117.06
8.0.20.0070.01217.40
8.0.10.0060.00317.00
8.0.00.0120.00916.60
7.4.330.0000.00615.00
7.4.320.0060.00016.44
7.4.300.0000.00616.54
7.4.290.0040.00416.43
7.4.280.0000.00716.41
7.4.270.0040.00416.38
7.4.260.0000.00716.53
7.4.250.0000.00816.43
7.4.240.0050.00216.43
7.4.230.0030.00316.59
7.4.220.0130.01016.46
7.4.210.0100.00816.45
7.4.200.0030.00316.43
7.4.190.0040.00416.52
7.4.160.0080.00816.39
7.4.150.0120.00617.40
7.4.140.0080.01217.86
7.4.130.0050.01416.43
7.4.120.0060.01216.54
7.4.110.0100.00716.44
7.4.100.0120.00916.45
7.4.90.0150.00316.32
7.4.80.0100.01019.39
7.4.70.0180.00316.57
7.4.60.0200.00016.46
7.4.50.0000.00916.32
7.4.40.0130.00322.77
7.4.30.0100.00716.19
7.4.00.0070.01014.47
7.3.330.0000.00513.09
7.3.320.0060.00012.93
7.3.310.0030.00316.18
7.3.300.0000.00616.25
7.3.290.0100.00316.22
7.3.280.0080.00916.16
7.3.270.0050.01317.40
7.3.260.0060.01116.41
7.3.250.0090.01016.38
7.3.240.0120.00416.62
7.3.230.0130.00316.39
7.3.210.0070.01016.48
7.3.200.0100.01019.39
7.3.190.0100.00716.30
7.3.180.0070.01016.28
7.3.170.0050.01116.27
7.3.160.0110.01116.37
7.3.120.0000.01414.99
7.2.330.0100.00716.19
7.2.320.0040.01316.61
7.2.310.0070.01016.75
7.2.300.0030.01216.44
7.2.290.0140.00216.23
7.1.200.0110.00015.50
7.1.100.0100.00317.93
7.1.70.0030.00717.02
7.1.60.0110.01419.82
7.1.50.0070.01516.57
7.1.00.0070.07322.27
7.0.200.0170.00716.43
7.0.140.0070.07021.99
7.0.60.0100.08319.93
7.0.50.0070.08017.86
7.0.40.0030.04320.15
7.0.30.0330.06320.34
7.0.20.0270.07720.38
7.0.10.0270.08320.07
7.0.00.0030.08320.22
5.6.280.0000.07721.03
5.6.210.0170.07020.76
5.6.200.0030.08018.18
5.6.190.0130.03320.55
5.6.180.3470.04020.52
5.6.170.0270.07720.62
5.6.160.0030.08720.39
5.6.150.0170.04718.15
5.6.140.0000.04718.14
5.6.130.0070.06018.24
5.6.120.0170.04720.99
5.6.110.0170.03021.13
5.6.100.0200.07321.03
5.6.90.0130.08320.96
5.6.80.0130.07720.37
5.6.70.3900.03720.46
5.5.350.0070.07720.52
5.5.340.0070.08017.98
5.5.330.0030.08320.29
5.5.320.0200.05320.27
5.5.310.0330.06720.18
5.5.300.0030.08718.07
5.5.290.0130.07717.98
5.5.280.0070.06720.96
5.5.270.0100.08020.75
5.5.260.0070.04020.79
5.5.250.0100.07020.71
5.5.240.0030.05320.11
5.4.450.0800.05319.48
5.4.440.0200.05719.69
5.4.430.0170.04719.56
5.4.420.0100.05719.70
5.4.410.0130.05719.45
5.4.400.0030.05718.50
5.4.390.0100.05018.59
5.4.380.0370.04718.69
5.4.370.0100.06018.63
5.4.360.0170.05718.68
5.4.350.0170.05718.79
5.4.340.0200.05318.62
5.4.320.0060.03512.48
5.4.310.0140.03512.47
5.4.300.0060.03512.48
5.4.290.0080.03712.47
5.4.280.0150.08012.34
5.4.270.0220.10712.34
5.4.260.0240.08012.34
5.4.250.0330.12412.34
5.4.240.0100.09312.34
5.4.230.0140.09712.33
5.4.220.0210.11012.33
5.4.210.0120.07612.34
5.4.200.0250.11612.34
5.4.190.0250.08112.33
5.4.180.0220.08912.33
5.4.170.0140.08412.34
5.4.160.0130.07712.34
5.4.150.0260.07612.34
5.4.140.0080.04812.02
5.4.130.0200.09612.00
5.4.120.0220.09611.96
5.4.110.0150.06711.96
5.4.100.0100.06011.96
5.4.90.0110.07611.96
5.4.80.0130.06511.96
5.4.70.0090.06311.96
5.4.60.0070.05111.95
5.4.50.0130.06911.95
5.4.40.0090.04911.95
5.4.30.0050.05811.94
5.4.20.0160.07811.94
5.4.10.0050.04311.94
5.4.00.0100.05211.43
5.3.290.0040.04012.80
5.3.280.0150.07212.70
5.3.270.0180.07712.72
5.3.260.0350.11912.72
5.3.250.0110.05812.72
5.3.240.0270.09812.72
5.3.230.0160.06512.71
5.3.220.0100.08512.68
5.3.210.0080.06712.68
5.3.200.0230.08312.68
5.3.190.0140.08512.68
5.3.180.0030.04012.67
5.3.170.0050.03912.67
5.3.160.0050.05312.68
5.3.150.0160.07512.68
5.3.140.0200.11412.66
5.3.130.0110.05812.66
5.3.120.0150.06612.66
5.3.110.0110.04412.66
5.3.100.0110.04012.12
5.3.90.0170.08812.08
5.3.80.0070.05012.07
5.3.70.0120.04912.07
5.3.60.0130.07512.06
5.3.50.0190.07412.00
5.3.40.0080.04812.00
5.3.30.0190.10111.95
5.3.20.0150.05611.73
5.3.10.0350.10911.69
5.3.00.0220.09911.68
5.2.170.0080.0399.18
5.2.160.0070.0649.18
5.2.150.0080.0619.17
5.2.140.0160.0609.17
5.2.130.0120.0869.13
5.2.120.0140.0569.14
5.2.110.0060.0389.14
5.2.100.0150.0819.14
5.2.90.0110.0759.14
5.2.80.0060.0399.14
5.2.70.0170.1119.13
5.2.60.0070.0619.09
5.2.50.0060.0649.05
5.2.40.0070.0599.03
5.2.30.0210.0859.00
5.2.20.0160.0829.00
5.2.10.0180.0578.91
5.2.00.0100.0628.77
5.1.60.0170.0588.04
5.1.50.0090.0638.04
5.1.40.0100.0588.02
5.1.30.0130.0598.38
5.1.20.0130.0548.40
5.1.10.0090.0418.12
5.1.00.0090.0558.12
5.0.50.0090.0296.59
5.0.40.0070.0516.45
5.0.30.0130.0756.27
5.0.20.0080.0446.24
5.0.10.0090.0526.22
5.0.00.0140.0566.21
4.4.90.0070.0394.78
4.4.80.0100.0424.75
4.4.70.0050.0404.76
4.4.60.0060.0204.75
4.4.50.0080.0274.77
4.4.40.0030.0404.71
4.4.30.0130.0294.76
4.4.20.0050.0274.85
4.4.10.0030.0324.85
4.4.00.0090.0684.76
4.3.110.0130.0424.67
4.3.100.0090.0384.67
4.3.90.0130.0504.64
4.3.80.0060.0474.58
4.3.70.0110.0594.63
4.3.60.0130.0384.63
4.3.50.0110.0664.63
4.3.40.0040.0414.54
4.3.30.0050.0243.27
4.3.20.0130.0383.25
4.3.10.0060.0413.21
4.3.00.0170.0136.50

preferences:
52.22 ms | 401 KiB | 5 Q