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+$a; print_r($c); ?>

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)
8.3.40.0120.00318.77
8.3.30.0070.00720.07
8.3.20.0100.00320.21
8.3.10.0040.00421.04
8.3.00.0040.00422.57
8.2.170.0120.00422.96
8.2.160.0070.00722.30
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.65
8.2.110.0060.00319.37
8.2.100.0040.00817.72
8.2.90.0060.00319.13
8.2.80.0080.00017.97
8.2.70.0000.00917.38
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0030.00518.15
8.2.30.0040.00419.35
8.2.20.0040.00417.65
8.2.10.0040.00417.55
8.2.00.0040.00417.82
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00420.74
8.1.230.0000.01120.95
8.1.220.0040.00418.77
8.1.210.0060.00318.77
8.1.200.0040.00417.22
8.1.190.0000.00717.41
8.1.180.0030.00618.10
8.1.170.0080.00018.50
8.1.160.0050.00318.68
8.1.150.0050.00318.55
8.1.140.0050.00217.25
8.1.130.0000.00717.79
8.1.120.0030.00317.28
8.1.110.0060.00317.33
8.1.100.0080.00017.38
8.1.90.0030.00517.29
8.1.80.0020.00517.42
8.1.70.0030.00317.31
8.1.60.0030.00517.47
8.1.50.0040.00417.46
8.1.40.0060.00317.44
8.1.30.0000.00817.38
8.1.20.0000.00917.56
8.1.10.0040.00417.34
8.1.00.0030.00617.23
8.0.300.0000.00819.90
8.0.290.0070.00017.05
8.0.280.0030.00318.37
8.0.270.0030.00317.16
8.0.260.0030.00316.74
8.0.250.0000.00716.88
8.0.240.0050.00316.85
8.0.230.0030.00316.84
8.0.220.0000.00716.79
8.0.210.0030.00316.74
8.0.200.0030.00316.91
8.0.190.0020.00516.84
8.0.180.0000.01016.88
8.0.170.0070.00016.95
8.0.160.0070.00016.96
8.0.150.0000.00816.82
8.0.140.0000.00716.85
8.0.130.0060.00013.19
8.0.120.0000.00716.85
8.0.110.0040.00416.90
8.0.100.0030.00516.90
8.0.90.0070.00016.78
8.0.80.0100.00516.84
8.0.70.0000.00716.77
8.0.60.0000.00716.91
8.0.50.0080.00016.73
8.0.30.0090.01416.81
8.0.20.0130.01017.40
8.0.10.0030.00316.95
8.0.00.0100.01116.71
7.4.330.0030.00314.90
7.4.320.0000.00716.37
7.4.300.0000.00816.28
7.4.290.0040.00416.38
7.4.280.0070.00016.49
7.4.270.0030.00316.41
7.4.260.0060.00013.12
7.4.250.0050.00316.48
7.4.240.0020.00516.53
7.4.230.0020.00516.58
7.4.220.0100.01016.62
7.4.210.0060.01116.47
7.4.200.0000.00716.35
7.4.190.0030.00316.63
7.4.160.0060.00916.36
7.4.150.0090.00917.40
7.4.140.0070.01217.86
7.4.130.0130.00516.49
7.4.120.0070.01116.40
7.4.110.0160.00316.48
7.4.100.0030.01816.57
7.4.90.0130.00916.36
7.4.80.0120.00419.39
7.4.70.0030.01316.23
7.4.60.0080.00816.32
7.4.50.0040.00416.46
7.4.40.0070.00722.77
7.4.30.0090.00616.32
7.4.10.0090.01014.91
7.4.00.0090.00914.73
7.3.330.0000.00513.07
7.3.320.0050.00013.04
7.3.310.0070.00016.11
7.3.300.0030.00316.08
7.3.290.0100.01016.28
7.3.280.0070.00816.18
7.3.270.0070.01017.40
7.3.260.0070.01018.24
7.3.250.0160.00116.39
7.3.240.0110.00616.57
7.3.230.0090.00816.62
7.3.210.0000.01616.16
7.3.200.0070.01319.39
7.3.190.0190.00316.24
7.3.180.0090.00616.34
7.3.170.0070.01416.27
7.3.160.0030.01416.19
7.3.130.0110.00314.86
7.3.120.0080.00914.98
7.3.110.0070.01014.64
7.3.100.0080.00815.05
7.3.90.0120.00614.68
7.3.80.0000.01014.59
7.3.70.0100.00714.76
7.3.60.0070.00714.47
7.3.50.0100.00714.75
7.3.40.0140.00014.84
7.3.30.0040.00414.52
7.3.20.0070.01116.69
7.3.10.0120.00616.21
7.3.00.0090.00916.82
7.2.330.0140.00316.28
7.2.320.0090.01516.36
7.2.310.0100.00616.20
7.2.300.0060.01016.66
7.2.290.0100.00716.59
7.2.260.0030.01415.04
7.2.250.0030.01614.95
7.2.240.0040.01114.86
7.2.230.0030.01314.64
7.2.220.0030.01314.53
7.2.210.0150.00015.14
7.2.200.0000.00914.81
7.2.190.0030.00714.97
7.2.180.0030.01014.91
7.2.170.0040.00814.93
7.2.160.0080.00415.02
7.2.150.0100.00316.73
7.2.140.0060.00916.75
7.2.130.0060.00616.68
7.2.120.0040.00716.80
7.2.110.0050.01316.44
7.2.100.0140.00316.67
7.2.90.0080.01116.70
7.2.80.0100.00416.61
7.2.70.0070.01316.78
7.2.60.0090.00416.76
7.2.50.0080.01016.56
7.2.40.0050.01016.83
7.2.30.0110.00716.72
7.2.20.0110.00316.73
7.2.10.0210.00716.57
7.2.00.0130.00817.62
7.1.330.0030.01015.46
7.1.320.0120.00615.57
7.1.310.0070.00715.87
7.1.300.0110.00415.82
7.1.290.0120.00315.60
7.1.280.0030.00515.58
7.1.270.0100.00315.72
7.1.260.0090.00615.62
7.1.250.0030.00715.55
7.1.240.0100.00315.50
7.1.230.0110.00915.81
7.1.220.0120.00515.63
7.1.210.0140.00715.70
7.1.200.0130.00715.65
7.1.190.0100.00615.60
7.1.180.0090.00915.66
7.1.170.0090.00615.61
7.1.160.0110.00815.76
7.1.150.0070.00715.73
7.1.140.0090.00715.84
7.1.130.0160.00615.56
7.1.120.0100.00315.54
7.1.110.0110.00615.87
7.1.100.0100.00916.52
7.1.90.0060.00915.59
7.1.80.0110.00515.87
7.1.70.0120.00516.17
7.1.60.0080.01116.95
7.1.50.0080.01216.04
7.1.40.0060.01015.66
7.1.30.0110.00815.77
7.1.20.0130.00415.59
7.1.10.0080.00215.61
7.1.00.0040.01717.88
7.0.330.0050.00515.39
7.0.320.0030.00715.42
7.0.310.0160.00715.35
7.0.300.0080.00715.34
7.0.290.0070.00815.36
7.0.280.0080.00715.33
7.0.270.0060.00815.47
7.0.260.0060.00815.22
7.0.250.0180.00215.24
7.0.240.0150.00615.24
7.0.230.0020.01015.22
7.0.220.0080.00615.16
7.0.210.0110.00515.15
7.0.200.0130.00515.30
7.0.190.0080.00915.38
7.0.180.0080.00615.33
7.0.170.0100.00515.44
7.0.160.0060.01015.41
7.0.150.0050.00715.44
7.0.140.0040.03017.73
7.0.130.0060.00815.21
7.0.120.0110.00915.54
7.0.110.0090.00315.38
7.0.100.0110.03216.84
7.0.90.0080.03016.96
7.0.80.0110.02516.84
7.0.70.0050.02416.83
7.0.60.0080.03016.88
7.0.50.0070.01917.06
7.0.40.0110.02715.70
7.0.30.0100.02415.67
7.0.20.0070.01815.64
7.0.10.0080.02715.64
7.0.00.0120.02715.60
5.6.400.0100.00714.43
5.6.390.0040.01114.22
5.6.380.0100.00214.29
5.6.370.0120.00314.34
5.6.360.0070.00913.92
5.6.350.0130.00314.06
5.6.340.0110.00114.37
5.6.330.0140.00414.22
5.6.320.0090.00314.61
5.6.310.0110.00514.14
5.6.300.0110.00214.20
5.6.290.0010.01314.22
5.6.280.0050.02916.35
5.6.270.0000.01314.45
5.6.260.0080.00714.13
5.6.250.0120.01716.34
5.6.240.0120.02916.46
5.6.230.0110.03016.32
5.6.220.0080.03216.39
5.6.210.0080.01916.35
5.6.200.0060.03016.47
5.6.190.0060.02916.43
5.6.180.0070.02016.64
5.6.170.0090.02116.47
5.6.160.0110.02616.52
5.6.150.0080.01916.47
5.6.140.0100.02616.47
5.6.130.0100.03016.55
5.6.120.0060.03116.58
5.6.110.0080.02116.46
5.6.100.0090.02816.40
5.6.90.0080.01616.48
5.6.80.0070.01716.15
5.6.70.0100.01316.14
5.6.60.0070.01516.24
5.6.50.0050.02216.28
5.6.40.0050.02016.20
5.6.30.0080.02916.21
5.6.20.0090.02516.20
5.6.10.0020.02716.17
5.6.00.0050.02216.24
5.5.380.0070.01815.77
5.5.370.0090.02515.80
5.5.360.0060.03115.93
5.5.350.0080.01915.75
5.5.340.0070.02715.88
5.5.330.0090.02515.83
5.5.320.0050.02515.86
5.5.310.0060.02216.01
5.5.300.0020.02215.98
5.5.290.0120.02315.93
5.5.280.0090.01815.79
5.5.270.0100.01515.95
5.5.260.0070.02715.78
5.5.250.0060.03015.88
5.5.240.0080.02515.65
5.5.230.0050.02615.72
5.5.220.0090.02315.63
5.5.210.0070.01415.80
5.5.200.0040.02915.68
5.5.190.0060.03015.63
5.5.180.0070.01915.79
5.5.170.0100.00514.17
5.5.160.0070.01715.75
5.5.150.0060.02215.70
5.5.140.0050.02915.79
5.5.130.0030.02815.77
5.5.120.0040.02215.78
5.5.110.0120.02415.76
5.5.100.0110.01515.60
5.5.90.0050.01915.68
5.5.80.0080.02315.56
5.5.70.0060.02415.70
5.5.60.0050.02915.72
5.5.50.0070.01915.63
5.5.40.0070.02615.64
5.5.30.0060.02915.54
5.5.20.0050.02215.69
5.5.10.0070.03215.66
5.5.00.0060.03115.66
5.4.450.0060.02714.52
5.4.440.0090.02714.33
5.4.430.0120.02414.40
5.4.420.0050.03114.40
5.4.410.0030.02114.33
5.4.400.0050.02214.32
5.4.390.0060.02214.34
5.4.380.0050.02314.29
5.4.370.0060.02714.22
5.4.360.0020.03214.29
5.4.350.0060.01714.17
5.4.340.0040.01814.20
5.4.330.0030.00611.94
5.4.320.0080.02214.22
5.4.310.0050.01714.37
5.4.300.0080.02714.23
5.4.290.0060.01714.28
5.4.280.0050.01414.27
5.4.270.0060.02514.22
5.4.260.0060.02314.23
5.4.250.0050.02114.20
5.4.240.0080.01414.24
5.4.230.0050.02014.24
5.4.220.0070.03014.24
5.4.210.0090.02114.33
5.4.200.0070.02414.21
5.4.190.0070.02514.17
5.4.180.0070.02514.29
5.4.170.0060.02714.30
5.4.160.0050.03014.21
5.4.150.0040.02014.23
5.4.140.0030.01713.41
5.4.130.0050.02913.43
5.4.120.0060.02613.43
5.4.110.0060.02313.41
5.4.100.0030.02013.34
5.4.90.0050.02913.38
5.4.80.0090.02713.37
5.4.70.0020.03113.43
5.4.60.0060.02113.46
5.4.50.0070.02313.41
5.4.40.0060.02813.46
5.4.30.0050.02013.38
5.4.20.0070.02813.34
5.4.10.0040.01713.40
5.4.00.0020.02813.19
5.3.290.0070.01612.71
5.3.280.0020.02212.56
5.3.270.0060.02012.74
5.3.260.0040.02012.74
5.3.250.0040.02212.71
5.3.240.0100.02512.52
5.3.230.0060.02212.64
5.3.220.0080.02612.66
5.3.210.0080.02512.59
5.3.200.0050.02812.55
5.3.190.0110.02412.61
5.3.180.0070.02712.64
5.3.170.0090.02712.73
5.3.160.0070.02712.68
5.3.150.0030.02612.67
5.3.140.0100.02612.61
5.3.130.0070.01712.62
5.3.120.0080.03012.58
5.3.110.0060.01612.54
5.3.100.0080.02312.46
5.3.90.0040.02712.38
5.3.80.0070.01812.41
5.3.70.0070.01612.41
5.3.60.0030.01712.38
5.3.50.0070.02012.41
5.3.40.0060.01512.32
5.3.30.0050.02712.29
5.3.20.0060.01612.27
5.3.10.0040.02912.25
5.3.00.0060.02312.25
5.2.170.0100.03011.96
5.2.160.0070.01912.02
5.2.150.0070.03211.99
5.2.140.0100.03011.89
5.2.130.0050.03512.01
5.2.120.0030.02511.93
5.2.110.0040.03411.94
5.2.100.0090.03011.90
5.2.90.0030.02911.93
5.2.80.0050.02011.94
5.2.70.0020.02111.98
5.2.60.0070.02811.98
5.2.50.0050.02511.85
5.2.40.0040.01711.92
5.2.30.0040.01711.95
5.2.20.0050.01911.90
5.2.10.0050.02711.89
5.2.00.0040.02411.72
5.1.60.0100.02011.41
5.1.50.0060.01511.41
5.1.40.0040.02411.32
5.1.30.0090.02611.51
5.1.20.0050.02811.60
5.1.10.0100.02511.46
5.1.00.0080.02011.35
5.0.50.0070.00810.59
5.0.40.0060.01310.63
5.0.30.0040.01510.52
5.0.20.0060.01410.51
5.0.10.0020.01710.47
5.0.00.0050.01510.46
4.4.90.0020.01810.46
4.4.80.0020.01910.46
4.4.70.0050.01710.46
4.4.60.0000.02110.46
4.4.50.0030.02010.46
4.4.40.0040.01410.46
4.4.30.0060.01310.46
4.4.20.0060.01010.46
4.4.10.0020.02210.46
4.4.00.0020.01510.46
4.3.110.0020.01410.46
4.3.100.0000.01810.46
4.3.90.0030.01610.46
4.3.80.0020.01910.46
4.3.70.0050.01710.46
4.3.60.0020.01710.46
4.3.50.0040.00710.46
4.3.40.0050.01310.46
4.3.30.0020.01810.46
4.3.20.0000.02010.46
4.3.10.0020.01710.46
4.3.00.0010.02110.46

preferences:
36.87 ms | 400 KiB | 5 Q