3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'a' => '1', 'b' => '2', 'c' => '3' ); $b = array( 'b' => 'b', 'd' => 'd'); var_dump( $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)
8.3.40.0140.00318.72
8.3.30.0140.00018.89
8.3.20.0050.00320.18
8.3.10.0000.00721.64
8.3.00.0030.00618.89
8.2.170.0070.00722.96
8.2.160.0110.00322.12
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.82
8.2.110.0060.00320.35
8.2.100.0060.00617.66
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0070.00617.36
8.2.60.0050.00517.80
8.2.50.0060.00318.07
8.2.40.0090.00019.88
8.2.30.0030.00517.98
8.2.20.0040.00417.77
8.2.10.0080.00017.96
8.2.00.0050.00317.67
8.1.270.0030.00618.73
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0150.00323.73
8.1.230.0040.00720.84
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.11
8.1.190.0040.00417.13
8.1.180.0000.00918.10
8.1.170.0030.00520.36
8.1.160.0050.00321.81
8.1.150.0030.00618.75
8.1.140.0050.00317.34
8.1.130.0070.00017.69
8.1.120.0030.00517.29
8.1.110.0070.00017.43
8.1.100.0070.00017.23
8.1.90.0000.00717.43
8.1.80.0040.00417.43
8.1.70.0050.00317.28
8.1.60.0060.00317.54
8.1.50.0040.00417.35
8.1.40.0000.00717.44
8.1.30.0040.00417.49
8.1.20.0000.00717.40
8.1.10.0030.00617.37
8.1.00.0030.00617.25
8.0.300.0070.00018.77
8.0.290.0060.00316.75
8.0.280.0030.00318.21
8.0.270.0070.00017.25
8.0.260.0030.00317.12
8.0.250.0070.00016.82
8.0.240.0000.00616.84
8.0.230.0030.00316.80
8.0.220.0070.00016.86
8.0.210.0030.00316.87
8.0.200.0000.00616.82
8.0.190.0000.00916.94
8.0.180.0070.00016.79
8.0.170.0000.00816.93
8.0.160.0040.00416.82
8.0.150.0070.00016.71
8.0.140.0030.00316.73
8.0.130.0050.00013.28
8.0.120.0040.00416.86
8.0.110.0070.00016.94
8.0.100.0040.00416.93
8.0.90.0000.00716.71
8.0.80.0120.00316.86
8.0.70.0040.00416.89
8.0.60.0030.00516.88
8.0.50.0000.00716.75
8.0.30.0120.00817.00
8.0.20.0140.00617.40
8.0.10.0040.00416.89
8.0.00.0160.00216.67
7.4.330.0000.00615.09
7.4.320.0070.00016.40
7.4.300.0000.00616.57
7.4.290.0000.00616.48
7.4.280.0070.00016.50
7.4.270.0080.00016.50
7.4.260.0000.00716.51
7.4.250.0090.00016.44
7.4.240.0020.00516.50
7.4.230.0030.00316.23
7.4.220.0120.00616.57
7.4.210.0060.01316.48
7.4.200.0070.00016.52
7.4.160.0030.01216.38
7.4.150.0100.00717.40
7.4.140.0050.01717.86
7.4.130.0130.00616.35
7.4.120.0090.01016.32
7.4.110.0140.00316.39
7.4.100.0170.00016.52
7.4.90.0150.00316.48
7.4.80.0070.01116.62
7.4.70.0130.00416.25
7.4.60.0090.00616.35
7.4.50.0030.00316.49
7.4.40.0160.00616.27
7.4.30.0140.00416.27
7.4.00.0030.01414.64
7.3.330.0050.00013.03
7.3.320.0060.00612.89
7.3.310.0030.00316.21
7.3.300.0040.00416.18
7.3.290.0080.00716.19
7.3.280.0070.00916.16
7.3.270.0110.00617.40
7.3.260.0100.01016.65
7.3.250.0120.00616.45
7.3.240.0090.00616.20
7.3.230.0300.01616.55
7.3.210.0090.01316.44
7.3.200.0030.01819.39
7.3.190.0150.00616.25
7.3.180.0130.00316.19
7.3.170.0120.00916.29
7.3.160.0070.01416.26
7.2.330.0060.01216.28
7.2.320.0030.01316.32
7.2.310.0030.01416.54
7.2.300.0100.01016.38
7.2.290.0120.00616.30
7.2.00.0040.00718.88
7.1.200.0070.00715.66
7.1.100.0060.00618.26
7.1.70.0000.01017.13
7.1.60.0060.01519.46
7.1.50.0070.01416.63
7.1.00.0070.07322.33
7.0.200.0100.00614.84
7.0.140.0000.06722.00
7.0.60.0130.07319.90
7.0.50.0000.04317.80
7.0.40.0230.07719.90
7.0.30.0230.07020.04
7.0.20.0300.05320.33
7.0.10.0070.09020.13
7.0.00.0170.06720.29
5.6.280.0070.07021.07
5.6.210.0100.06320.56
5.6.200.0030.09018.09
5.6.190.0100.05320.67
5.6.180.0330.05020.66
5.6.170.0370.08320.52
5.6.160.0170.07320.32
5.6.150.0200.03718.09
5.6.140.0000.04018.20
5.6.130.0070.04718.20
5.6.120.0070.04720.89
5.6.110.0100.08021.07
5.6.100.0030.08321.10
5.6.90.0130.06321.11
5.6.80.0100.05720.43
5.5.350.0330.07020.40
5.5.340.0170.05017.98
5.5.330.0030.05020.38
5.5.320.0100.07720.32
5.5.310.0100.04720.13
5.5.300.0070.07317.91
5.5.290.0200.07717.89
5.5.280.0070.07020.78
5.5.270.0070.05320.95
5.5.260.0000.08320.72
5.5.250.0070.08720.54
5.5.240.0130.07020.06
5.4.450.0270.05019.39
5.4.440.0230.08319.37
5.4.430.0300.06319.32
5.4.420.0200.04719.20
5.4.410.0230.04719.32
5.4.400.0230.07719.07
5.4.390.0230.05019.20
5.4.380.0170.03319.16
5.4.370.0230.07019.20
5.4.360.0200.05719.13
5.4.350.0200.06019.16
5.4.340.0300.05718.88
5.4.320.0330.04018.87
5.4.310.0230.03719.00
5.4.300.0170.07719.07
5.4.290.0270.04319.12
5.4.280.0200.07319.17
5.4.270.0170.07319.04
5.4.260.0330.06319.13
5.4.250.0200.03718.97
5.4.240.0230.03319.15
5.4.230.0300.06719.07
5.4.220.0330.06719.16
5.4.210.0130.05318.91
5.4.200.0200.07718.86
5.4.190.0300.07019.14
5.4.180.0130.04319.15
5.4.170.0200.07318.85
5.4.160.0200.07719.04
5.4.150.0200.07719.11
5.4.140.0270.06016.39
5.4.130.0230.07016.27
5.4.120.0300.06716.16
5.4.110.0130.06316.22
5.4.100.0230.07316.45
5.4.90.0330.06716.49
5.4.80.0200.07016.34
5.4.70.0230.04316.21
5.4.60.0300.06016.36
5.4.50.0370.04016.29
5.4.40.0300.06716.38
5.4.30.0170.05016.30
5.4.20.0200.04716.40
5.4.10.0270.06316.54
5.4.00.0200.07315.63
5.3.290.0230.07714.64
5.3.280.0270.07014.52
5.3.270.0200.03714.54
5.3.260.0330.06714.43
5.3.250.0270.07314.70
5.3.240.0270.03314.64
5.3.230.0300.04314.52
5.3.220.0200.05714.50
5.3.210.0270.07314.44
5.3.200.0230.07014.49
5.3.190.0130.05014.50
5.3.180.0170.08014.58
5.3.170.0300.06714.48
5.3.160.0200.07314.35
5.3.150.0170.04714.49
5.3.140.0200.07014.64
5.3.130.0200.06714.45
5.3.120.0230.05014.54
5.3.110.0330.06014.49
5.3.100.0300.06313.97
5.3.90.0200.07013.94
5.3.80.0300.05713.80
5.3.70.0200.07313.95
5.3.60.0330.04013.93
5.3.50.0200.03313.88
5.3.40.0270.07013.92
5.3.30.0270.07313.89
5.3.20.0230.06313.62
5.3.10.0300.06313.61
5.3.00.0200.04713.47
5.2.170.0200.05711.22
5.2.160.0200.05011.03
5.2.150.0300.04711.23
5.2.140.0200.05310.99
5.2.130.0200.04710.99
5.2.120.0270.05011.05
5.2.110.0200.05311.03
5.2.100.0200.05710.98
5.2.90.0170.05011.25
5.2.80.0370.02711.03
5.2.70.0100.03311.03
5.2.60.0130.04310.98
5.2.50.0200.06310.99
5.2.40.0130.05310.92
5.2.30.0200.03010.86
5.2.20.0100.03010.95
5.2.10.0030.03310.85
5.2.00.0130.03010.59
5.1.60.0070.0309.89
5.1.50.0030.03010.01
5.1.40.0100.0239.94
5.1.30.0100.03710.50
5.1.20.0130.02710.32
5.1.10.0130.02010.11
5.1.00.0130.02310.03
5.0.50.0000.0238.62
5.0.40.0000.0308.32
5.0.30.0100.0608.20
5.0.20.0100.0378.15
5.0.10.0030.0278.11
5.0.00.0030.0338.13
4.4.90.0130.0207.84
4.4.80.0030.0207.84
4.4.70.0030.0177.84
4.4.60.0070.0207.84
4.4.50.0100.0137.84
4.4.40.0030.0277.84
4.4.30.0030.0177.84
4.4.20.0070.0177.84
4.4.10.0070.0137.84
4.4.00.0030.0237.84
4.3.110.0030.0177.84
4.3.100.0030.0207.84
4.3.90.0130.0077.84
4.3.80.0070.0237.84
4.3.70.0070.0337.84
4.3.60.0100.0307.84
4.3.50.0030.0177.84
4.3.40.0070.0237.84
4.3.30.0000.0277.84
4.3.20.0070.0137.84
4.3.10.0000.0177.84
4.3.00.0000.0207.84

preferences:
43.86 ms | 400 KiB | 5 Q