3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = array( array('a1'), array('a2'), array('a3'), array('a4'), ); $a = array( array('b1'), ); $c = $a + $b; var_dump($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)
8.3.60.0130.00716.50
8.3.50.0100.00721.99
8.3.40.0040.01218.57
8.3.30.0080.00818.93
8.3.20.0020.00520.21
8.3.10.0040.00423.66
8.3.00.0030.00619.26
8.2.180.0120.00316.32
8.2.170.0120.00318.77
8.2.160.0130.00322.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00022.31
8.2.110.0090.00022.13
8.2.100.0030.00817.72
8.2.90.0090.00019.07
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0040.00417.90
8.2.50.0060.00318.07
8.2.40.0000.00818.09
8.2.30.0040.00418.05
8.2.20.0080.00017.59
8.2.10.0000.00919.75
8.2.00.0070.00317.66
8.1.280.0110.00425.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00323.79
8.1.230.0090.00319.07
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0000.00817.05
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0000.00721.95
8.1.150.0050.00318.55
8.1.140.0000.00717.28
8.1.130.0050.00317.77
8.1.120.0050.00317.27
8.1.110.0000.00817.28
8.1.100.0070.00017.27
8.1.90.0040.00417.26
8.1.80.0040.00417.44
8.1.70.0000.00717.31
8.1.60.0050.00517.54
8.1.50.0040.00417.28
8.1.40.0000.00717.43
8.1.30.0040.00417.38
8.1.20.0000.00817.47
8.1.10.0050.00217.45
8.1.00.0050.00217.34
8.0.300.0000.00718.77
8.0.290.0040.00417.04
8.0.280.0030.00318.27
8.0.270.0000.00717.09
8.0.260.0060.00017.18
8.0.250.0000.00716.98
8.0.240.0030.00316.84
8.0.230.0030.00316.91
8.0.220.0030.00316.84
8.0.210.0030.00316.86
8.0.200.0030.00316.98
8.0.190.0040.00416.84
8.0.180.0000.00816.93
8.0.170.0030.00516.91
8.0.160.0070.00016.77
8.0.150.0000.00816.90
8.0.140.0040.00416.83
8.0.130.0030.00313.27
8.0.120.0040.00416.71
8.0.110.0040.00416.92
8.0.100.0030.00716.90
8.0.90.0080.00016.68
8.0.80.0120.00916.86
8.0.70.0020.00516.91
8.0.60.0040.00416.91
8.0.50.0000.00716.73
8.0.30.0080.01216.92
8.0.20.0140.00517.40
8.0.10.0000.00816.89
8.0.00.0120.00516.59
7.4.330.0040.00415.00
7.4.320.0040.00416.47
7.4.300.0000.00716.32
7.4.290.0080.00016.52
7.4.280.0040.00416.41
7.4.270.0030.00316.57
7.4.260.0000.00716.55
7.4.250.0030.00516.28
7.4.240.0020.00516.49
7.4.230.0000.00716.42
7.4.220.0080.00816.62
7.4.210.0060.00916.53
7.4.200.0070.00016.46
7.4.190.0000.00716.38
7.4.160.0090.00616.49
7.4.150.0140.00617.40
7.4.140.0070.01017.86
7.4.130.0100.00916.38
7.4.120.0110.00716.39
7.4.110.0120.00616.16
7.4.100.0070.01416.30
7.4.90.0180.00416.40
7.4.80.0070.01119.39
7.4.70.0030.01316.30
7.4.60.0100.00716.59
7.4.50.0040.00416.46
7.4.40.0060.00922.77
7.4.30.0040.01516.36
7.4.10.0030.01514.93
7.4.00.0090.00714.87
7.3.330.0080.00013.03
7.3.320.0050.00013.06
7.3.310.0030.00316.04
7.3.300.0030.00316.23
7.3.290.0160.00016.23
7.3.280.0090.00816.18
7.3.270.0110.00717.40
7.3.260.0090.00916.23
7.3.250.0110.00716.23
7.3.240.0180.00016.43
7.3.230.0090.00916.39
7.3.210.0110.01116.57
7.3.200.0110.01019.39
7.3.190.0180.00016.39
7.3.180.0120.00616.45
7.3.170.0120.00316.27
7.3.160.0150.00616.43
7.3.130.0060.01014.86
7.3.120.0050.01214.74
7.3.110.0100.00714.59
7.3.100.0090.00414.66
7.3.90.0050.00714.71
7.3.80.0030.00814.63
7.3.70.0020.00714.68
7.3.60.0070.00714.77
7.3.50.0020.00914.72
7.3.40.0090.00214.67
7.3.30.0070.00614.59
7.3.20.0080.00416.48
7.3.10.0080.00516.57
7.3.00.0040.00816.45
7.2.330.0120.00616.67
7.2.320.0000.01716.52
7.2.310.0080.01516.57
7.2.300.0090.00916.41
7.2.290.0150.00916.41
7.2.260.0000.01714.87
7.2.250.0100.01015.08
7.2.240.0050.01115.01
7.2.230.0070.00814.78
7.2.220.0030.01314.85
7.2.210.0090.00614.76
7.2.200.0050.00714.84
7.2.190.0060.00914.85
7.2.180.0020.01214.68
7.2.170.0050.00814.83
7.2.160.0060.01314.77
7.2.150.0030.00716.88
7.2.140.0070.00716.84
7.2.130.0070.00716.88
7.2.120.0050.01116.80
7.2.110.0040.01316.75
7.2.100.0020.01416.67
7.2.90.0020.01416.77
7.2.80.0090.00716.81
7.2.70.0010.00817.00
7.2.60.0330.00516.06
7.2.50.0070.00716.77
7.2.40.0080.00516.82
7.2.30.0030.01016.73
7.2.20.0020.01016.85
7.2.10.0060.01016.72
7.2.00.0060.00717.61
7.1.330.0030.01215.77
7.1.320.0070.00715.57
7.1.310.0080.00615.72
7.1.300.0030.01115.68
7.1.290.0010.00815.72
7.1.280.0050.01015.61
7.1.270.0070.00915.64
7.1.260.0070.00415.69
7.1.250.0050.01115.69
7.1.240.0050.01115.63
7.1.230.0050.01115.66
7.1.220.0070.00615.70
7.1.210.0030.01015.75
7.1.200.0030.00715.72
7.1.190.0060.00715.77
7.1.180.0060.00815.79
7.1.170.0040.00415.81
7.1.160.0040.01115.63
7.1.150.0060.00515.60
7.1.140.0000.01215.69
7.1.130.0050.00415.62
7.1.120.0070.00515.88
7.1.110.0020.01115.65
7.1.100.0060.00516.31
7.1.90.0060.00515.76
7.1.80.0030.01115.57
7.1.70.0060.00616.08
7.1.60.0070.00616.99
7.1.50.0050.00816.09
7.1.40.0050.01015.70
7.1.30.0050.00515.64
7.1.20.0040.00815.74
7.1.10.0050.00715.56
7.1.00.0060.02917.93
7.0.330.0050.01015.40
7.0.320.0100.00415.21
7.0.310.0050.00515.29
7.0.300.0090.00315.28
7.0.290.0110.00515.38
7.0.280.0050.00515.32
7.0.270.0050.00815.25
7.0.260.0050.00815.23
7.0.250.0060.00715.48
7.0.240.0030.00715.46
7.0.230.0020.01215.36
7.0.220.0060.00515.21
7.0.210.0060.00715.46
7.0.200.0040.00715.66
7.0.190.0070.00315.38
7.0.180.0020.00915.37
7.0.170.0030.00915.33
7.0.160.0050.00915.29
7.0.150.0060.00415.44
7.0.140.0060.02717.55
7.0.130.0080.00515.30
7.0.120.0050.00715.30
7.0.110.0060.00615.34
7.0.100.0090.00315.36
7.0.90.0090.00615.32
7.0.80.0150.02416.97
7.0.70.0130.02016.88
7.0.60.0110.01616.88
7.0.50.0080.02517.11
7.0.40.0040.01815.70
7.0.30.0090.03015.63
7.0.20.0060.03415.60
7.0.10.0080.03015.63
7.0.00.0100.02015.71
5.6.400.0060.00914.04
5.6.390.0060.01214.32
5.6.380.0040.01114.23
5.6.370.0050.00914.11
5.6.360.0040.01014.21
5.6.350.0100.00614.24
5.6.340.0050.00814.32
5.6.330.0060.00814.49
5.6.320.0080.00814.12
5.6.310.0040.01014.28
5.6.300.0040.00714.40
5.6.290.0070.00514.26
5.6.280.0060.02916.42
5.6.270.0060.00614.17
5.6.260.0030.00814.24
5.6.250.0080.00514.33
5.6.240.0080.00314.29
5.6.230.0030.02216.33
5.6.220.0060.01716.29
5.6.210.0020.01916.32
5.6.200.0030.03116.46
5.6.190.0030.02216.38
5.6.180.0060.03416.67
5.6.170.0030.03616.48
5.6.160.0070.03216.53
5.6.150.0080.03116.49
5.6.140.0090.02916.60
5.6.130.0100.03016.63
5.6.120.0060.01916.55
5.6.110.0060.03116.38
5.6.100.0100.03016.49
5.6.90.0080.03316.56
5.6.80.0060.01716.28
5.6.70.0100.02716.22
5.6.60.0040.02716.27
5.6.50.0030.02516.20
5.6.40.0050.03416.30
5.6.30.0110.02516.19
5.6.20.0060.03016.33
5.6.10.0060.03116.30
5.6.00.0070.03016.22
5.5.380.0050.00712.51
5.5.370.0020.02015.16
5.5.360.0030.03215.28
5.5.350.0050.01815.15
5.5.340.0070.02915.46
5.5.330.0040.01715.27
5.5.320.0020.02215.36
5.5.310.0080.03015.37
5.5.300.0080.02715.36
5.5.290.0100.02715.35
5.5.280.0040.02215.23
5.5.270.0080.02915.22
5.5.260.0070.03315.18
5.5.250.0070.02515.32
5.5.240.0060.02915.26
5.5.230.0110.02315.08
5.5.220.0090.03015.10
5.5.210.0050.03115.08
5.5.200.0040.02315.21
5.5.190.0040.03115.13
5.5.180.0060.02715.02
5.5.170.0060.00512.57
5.5.160.0020.02214.92
5.5.150.0040.03515.07
5.5.140.0100.02814.97
5.5.130.0110.02515.12
5.5.120.0050.02915.06
5.5.110.0080.01715.09
5.5.100.0030.03114.95
5.5.90.0130.02115.07
5.5.80.0040.03415.15
5.5.70.0020.03415.14
5.5.60.0060.01615.03
5.5.50.0070.01715.01
5.5.40.0080.02715.12
5.5.30.0050.02315.04
5.5.20.0050.01915.07
5.5.10.0040.02815.11
5.5.00.0090.02914.90
5.4.450.0050.03014.51
5.4.440.0100.01914.57
5.4.430.0020.03314.45
5.4.420.0080.02514.49
5.4.410.0040.02614.51
5.4.400.0060.02514.44
5.4.390.0080.02914.43
5.4.380.0030.02814.39
5.4.370.0020.03014.25
5.4.360.0040.01814.43
5.4.350.0090.02514.35
5.4.340.0070.02314.40
5.4.330.0080.00312.01
5.4.320.0040.03214.27
5.4.310.0060.02014.46
5.4.300.0030.03214.33
5.4.290.0040.02114.38
5.4.280.0060.02114.40
5.4.270.0060.02114.36
5.4.260.0060.01414.43
5.4.250.0050.02714.38
5.4.240.0060.02814.40
5.4.230.0070.02614.36
5.4.220.0040.03214.39
5.4.210.0050.01814.36
5.4.200.0040.03114.37
5.4.190.0090.02514.39
5.4.180.0010.02714.32
5.4.170.0040.02914.31
5.4.160.0100.02414.39
5.4.150.0050.02214.35
5.4.140.0050.03013.52
5.4.130.0050.03013.51
5.4.120.0060.02813.49
5.4.110.0030.02913.40
5.4.100.0070.02813.54
5.4.90.0040.02813.47
5.4.80.0040.02913.40
5.4.70.0070.02813.44
5.4.60.0060.01313.43
5.4.50.0020.02113.46
5.4.40.0050.02613.56
5.4.30.0040.02313.49
5.4.20.0040.03013.50
5.4.10.0040.01813.53
5.4.00.0050.02713.27
5.3.290.0050.02812.82
5.3.280.0050.01512.74
5.3.270.0010.02412.70
5.3.260.0020.02612.71
5.3.250.0060.02512.73
5.3.240.0070.02612.70
5.3.230.0060.02812.70
5.3.220.0070.02212.61
5.3.210.0020.02212.61
5.3.200.0050.01912.64
5.3.190.0050.01812.63
5.3.180.0040.02612.74
5.3.170.0050.03012.70
5.3.160.0100.02312.69
5.3.150.0090.02312.76
5.3.140.0040.02812.72
5.3.130.0030.02912.68
5.3.120.0060.01912.70
5.3.110.0050.01812.73
5.3.100.0020.01912.46
5.3.90.0060.01612.48
5.3.80.0070.02412.43
5.3.70.0060.01512.47
5.3.60.0020.02112.48
5.3.50.0040.02812.46
5.3.40.0080.02512.33
5.3.30.0060.02312.44
5.3.20.0050.02612.43
5.3.10.0030.03312.27
5.3.00.0020.03112.31
5.2.170.0030.03310.50
5.2.160.0030.03310.50
5.2.150.0000.03810.62
5.2.140.0030.03310.50
5.2.130.0000.03610.59
5.2.120.0060.02010.58
5.2.110.0050.03310.56
5.2.100.0070.02110.47
5.2.90.0080.02010.54
5.2.80.0080.03210.52
5.2.70.0030.02710.55
5.2.60.0060.02510.50
5.2.50.0070.03210.52
5.2.40.0050.02310.49
5.2.30.0060.01910.40
5.2.20.0020.03410.43
5.2.10.0030.02910.45
5.2.00.0030.03310.33
5.1.60.0050.03010.12
5.1.50.0050.02910.12
5.1.40.0020.03110.17
5.1.30.0030.02710.20
5.1.20.0030.03010.12
5.1.10.0030.02210.12
5.1.00.0060.02610.12
5.0.50.0020.02010.12
5.0.40.0020.01810.12
5.0.30.0020.02810.12
5.0.20.0010.02010.12
5.0.10.0090.02010.12
5.0.00.0040.02610.12
4.4.90.0020.01810.12
4.4.80.0030.01510.12
4.4.70.0020.02310.12
4.4.60.0070.01510.12
4.4.50.0020.01810.12
4.4.40.0020.03010.12
4.4.30.0080.01610.12
4.4.20.0040.01810.12
4.4.10.0040.01010.12
4.4.00.0020.02110.12
4.3.110.0020.01710.12
4.3.100.0000.02110.12
4.3.90.0020.01810.12
4.3.80.0050.01910.12
4.3.70.0020.01310.12
4.3.60.0020.02010.12
4.3.50.0000.01610.12
4.3.40.0050.01510.12
4.3.30.0000.02010.12
4.3.20.0020.02110.12
4.3.10.0000.01910.12
4.3.00.0030.01810.12

preferences:
58.06 ms | 401 KiB | 5 Q