3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(0=>'x',3=>'y'); $b=array(0=>'s',1=>'k',2=>'m',3=>'z'); $c=$b+$a; print_r($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)
8.3.60.0070.01018.43
8.3.50.0070.00921.02
8.3.40.0140.00718.59
8.3.30.0070.00720.36
8.3.20.0080.00020.25
8.3.10.0070.00020.89
8.3.00.0050.00322.39
8.2.180.0120.00916.75
8.2.170.0100.01022.96
8.2.160.0130.00722.02
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.83
8.2.110.0090.00019.13
8.2.100.0090.00317.91
8.2.90.0070.00019.05
8.2.80.0040.00417.97
8.2.70.0050.00317.48
8.2.60.0000.01017.91
8.2.50.0030.00618.07
8.2.40.0040.00418.15
8.2.30.0000.00719.49
8.2.20.0040.00417.59
8.2.10.0080.00017.73
8.2.00.0000.00717.74
8.1.280.0060.00925.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00622.32
8.1.230.0060.00320.95
8.1.220.0060.00318.77
8.1.210.0000.00718.98
8.1.200.0000.00917.23
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0040.00418.62
8.1.160.0000.00818.87
8.1.150.0040.00418.45
8.1.140.0000.00717.33
8.1.130.0000.00717.70
8.1.120.0040.00417.42
8.1.110.0050.00517.38
8.1.100.0000.00717.29
8.1.90.0040.00417.38
8.1.80.0000.00717.34
8.1.70.0000.00717.41
8.1.60.0000.00917.52
8.1.50.0000.00817.49
8.1.40.0050.00217.44
8.1.30.0000.00817.45
8.1.20.0050.00317.59
8.1.10.0000.00717.45
8.1.00.0000.00717.38
8.0.300.0110.00019.80
8.0.290.0040.00417.05
8.0.280.0000.00718.37
8.0.270.0030.00317.20
8.0.260.0000.00616.78
8.0.250.0030.00317.01
8.0.240.0060.00316.86
8.0.230.0030.00316.93
8.0.220.0000.00716.89
8.0.210.0000.00716.89
8.0.200.0050.00216.84
8.0.190.0070.00016.99
8.0.180.0030.00616.96
8.0.170.0040.00416.84
8.0.160.0080.00016.89
8.0.150.0040.00416.72
8.0.140.0080.00016.82
8.0.130.0030.00313.29
8.0.120.0000.00816.91
8.0.110.0070.00016.87
8.0.100.0030.00516.78
8.0.90.0050.00316.91
8.0.80.0000.01416.84
8.0.70.0000.00816.75
8.0.60.0040.00416.83
8.0.50.0000.00716.88
8.0.30.0140.00417.15
8.0.20.0080.01217.40
8.0.10.0050.00216.93
8.0.00.0150.00316.68
7.4.330.0060.00015.05
7.4.320.0060.00016.48
7.4.300.0000.00716.45
7.4.290.0070.00016.45
7.4.280.0000.00816.48
7.4.270.0000.00716.52
7.4.260.0060.00013.17
7.4.250.0000.00716.36
7.4.240.0030.00416.47
7.4.230.0000.00716.52
7.4.220.0110.00716.64
7.4.210.0100.00716.57
7.4.200.0000.00716.36
7.4.190.0030.00316.68
7.4.160.0110.00416.61
7.4.150.0110.00717.40
7.4.140.0110.00617.86
7.4.130.0140.00316.40
7.4.120.0070.01216.48
7.4.110.0060.01016.33
7.4.100.0070.01016.25
7.4.90.0100.00716.29
7.4.80.0100.00619.39
7.4.70.0110.00516.43
7.4.60.0120.00616.27
7.4.50.0050.00516.29
7.4.40.0000.01422.77
7.4.30.0000.02116.29
7.4.00.0000.01414.64
7.3.330.0000.00513.12
7.3.320.0030.00313.18
7.3.310.0040.00416.17
7.3.300.0000.00616.23
7.3.290.0090.00416.19
7.3.280.0120.00616.17
7.3.270.0100.00617.40
7.3.260.0070.01818.24
7.3.250.0100.00716.33
7.3.240.0090.00916.19
7.3.230.0070.01416.39
7.3.210.0000.01716.16
7.3.200.0060.01219.39
7.3.190.0130.01016.38
7.3.180.0060.01016.50
7.3.170.0030.01316.57
7.3.160.0070.01216.34
7.3.120.0040.01114.68
7.3.10.0070.00516.59
7.3.00.0050.00716.53
7.2.330.0070.01016.61
7.2.320.0110.00716.47
7.2.310.0110.00716.37
7.2.300.0130.00916.52
7.2.290.0030.01316.33
7.2.130.0070.00716.93
7.2.120.0100.00316.65
7.2.110.0040.00416.66
7.2.100.0060.01016.86
7.2.90.0050.00716.71
7.2.80.0040.00916.65
7.2.70.0050.00816.75
7.2.60.0030.01016.79
7.2.50.0010.01316.80
7.2.40.0100.00316.75
7.2.30.0060.00816.77
7.2.20.0050.01016.72
7.2.10.0070.00416.75
7.2.00.0050.00917.44
7.1.250.0050.00915.64
7.1.100.0070.00717.94
7.1.70.0130.00017.20
7.1.60.0170.00719.17
7.1.50.0110.01116.75
7.1.00.0070.03722.29
7.0.200.0060.00314.67
7.0.140.0000.09021.96
7.0.60.0000.03321.80
7.0.50.0100.08017.90
7.0.40.0100.05320.14
7.0.30.0200.04320.08
7.0.20.0270.08720.17
7.0.10.0330.08020.16
7.0.00.0130.08020.18
5.6.280.0100.06720.77
5.6.210.0170.04720.74
5.6.200.0000.04318.16
5.6.190.0070.04720.60
5.6.180.0170.08320.30
5.6.170.0200.08320.46
5.6.160.0070.05020.52
5.6.150.0100.08018.18
5.6.140.0100.08018.18
5.6.130.0030.04018.14
5.6.120.0170.07321.14
5.6.110.0100.07021.02
5.6.100.0100.08320.97
5.6.90.0170.06321.00
5.6.80.0000.06020.26
5.5.350.0470.05720.43
5.5.340.0100.05318.05
5.5.330.0100.06320.40
5.5.320.0030.04320.41
5.5.310.0330.07720.39
5.5.300.0000.05717.98
5.5.290.0130.04317.91
5.5.280.0030.08320.97
5.5.270.0000.09020.79
5.5.260.0170.07720.96
5.5.250.0070.07020.61
5.5.240.0170.04020.11
5.4.450.0130.04719.64
5.4.440.0170.04019.41
5.4.430.0200.03019.45
5.4.420.0170.03719.42
5.4.410.0200.03019.52
5.4.400.0230.03319.16
5.4.390.0070.04319.22
5.4.380.0170.03319.16
5.4.370.0170.03719.21
5.4.360.0130.03719.08
5.4.350.0130.03719.22
5.4.340.0200.05719.06
5.4.320.0270.07018.99
5.4.310.0100.07719.04
5.4.300.0170.04318.94
5.4.290.0300.06319.07
5.4.280.0300.05719.23
5.4.270.0200.04319.19
5.4.260.0170.05019.07
5.4.250.0230.05319.30
5.4.240.0270.03319.18
5.4.230.0230.06719.29
5.4.220.0300.07018.81
5.4.210.0230.04019.14
5.4.200.0330.06319.21
5.4.190.0230.06018.86
5.4.180.0230.06718.81
5.4.170.0300.06019.07
5.4.160.0230.04319.17
5.4.150.0200.07019.12
5.4.140.0170.04316.38
5.4.130.0200.06716.43
5.4.120.0200.06716.50
5.4.110.0130.07016.56
5.4.100.0170.05316.27
5.4.90.0070.04716.35
5.4.80.0200.07016.35
5.4.70.0200.05316.54
5.4.60.0230.04316.34
5.4.50.0170.06316.55
5.4.40.0200.06316.25
5.4.30.0230.05716.51
5.4.20.0330.04316.55
5.4.10.0170.07316.33
5.4.00.0100.04715.84
5.3.290.0130.06014.66
5.3.280.0270.04314.74
5.3.270.0270.07014.60
5.3.260.0300.03714.62
5.3.250.0270.04014.59
5.3.240.0200.07714.68
5.3.230.0230.05714.81
5.3.220.0130.04714.72
5.3.210.0100.05714.55
5.3.200.0230.07314.78
5.3.190.0200.07714.46
5.3.180.0170.05314.57
5.3.170.0200.06714.60
5.3.160.0230.07314.56
5.3.150.0370.05314.56
5.3.140.0130.08014.66
5.3.130.0330.04014.45
5.3.120.0270.07014.55
5.3.110.0230.04714.53
5.3.100.0270.05314.00
5.3.90.0230.03313.91
5.3.80.0300.05314.09
5.3.70.0200.08013.93
5.3.60.0200.06714.11
5.3.50.0270.07014.02
5.3.40.0170.07313.99
5.3.30.0170.04313.81
5.3.20.0270.06713.72
5.3.10.0230.07013.65
5.3.00.0200.04713.68
5.2.170.0200.06012.16
5.2.160.0130.05012.16
5.2.150.0230.04712.16
5.2.140.0170.06012.16
5.2.130.0170.04312.16
5.2.120.0230.05312.16
5.2.110.0270.05012.16
5.2.100.0200.05312.16
5.2.90.0200.05312.16
5.2.80.0200.03012.16
5.2.70.0130.04312.16
5.2.60.0170.05712.16
5.2.50.0200.04712.16
5.2.40.0170.05312.16
5.2.30.0170.05712.16
5.2.20.0100.06012.16
5.2.10.0170.05712.16
5.2.00.0230.05012.16
5.1.60.0200.02712.16
5.1.50.0070.04012.16
5.1.40.0100.04312.16
5.1.30.0070.03712.16
5.1.20.0170.05712.16
5.1.10.0100.05712.16
5.1.00.0130.06012.16
5.0.50.0100.02712.16
5.0.40.0070.03312.16
5.0.30.0070.05312.16
5.0.20.0130.04012.16
5.0.10.0130.04012.16
5.0.00.0100.05712.16
4.4.90.0070.03712.16
4.4.80.0170.02312.16
4.4.70.0070.04012.16
4.4.60.0100.03712.16
4.4.50.0130.03012.16
4.4.40.0030.05312.16
4.4.30.0130.03312.16
4.4.20.0130.03012.16
4.4.10.0000.03712.16
4.4.00.0070.05012.16
4.3.110.0130.03012.16
4.3.100.0070.02312.16
4.3.90.0100.03012.16
4.3.80.0030.05312.16
4.3.70.0030.03012.16
4.3.60.0030.03712.16
4.3.50.0030.02712.16
4.3.40.0030.03712.16
4.3.30.0030.02012.16
4.3.20.0000.04012.16
4.3.10.0070.03012.16
4.3.00.0070.03312.16

preferences:
44.08 ms | 401 KiB | 5 Q