3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array('304' => '304', '402' => '402'); $arr2 = array('304' => '304'); print_r(array_merge_recursive($arr1, $arr2));

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)
8.3.60.0070.00718.31
8.3.50.0150.00321.99
8.3.40.0030.01418.51
8.3.30.0110.00318.90
8.3.20.0080.00020.02
8.3.10.0040.00423.70
8.3.00.0080.00020.61
8.2.180.0120.00316.32
8.2.170.0070.00722.96
8.2.160.0110.00721.99
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00019.70
8.2.110.0070.00422.08
8.2.100.0060.00617.84
8.2.90.0000.00817.75
8.2.80.0050.00317.97
8.2.70.0040.00417.91
8.2.60.0040.00417.80
8.2.50.0060.00318.10
8.2.40.0040.00420.34
8.2.30.0040.00417.92
8.2.20.0000.00817.68
8.2.10.0080.00017.60
8.2.00.0040.00417.61
8.1.280.0130.00325.92
8.1.270.0050.00323.91
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0080.00023.93
8.1.230.0040.00718.92
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0030.00617.11
8.1.180.0080.00018.10
8.1.170.0040.00418.49
8.1.160.0070.00321.99
8.1.150.0000.00718.57
8.1.140.0070.00017.28
8.1.130.0050.00317.81
8.1.120.0040.00417.29
8.1.110.0050.00317.31
8.1.100.0070.00017.38
8.1.90.0040.00417.42
8.1.80.0000.00717.39
8.1.70.0000.00717.27
8.1.60.0030.00517.48
8.1.50.0000.00717.35
8.1.40.0070.00017.42
8.1.30.0080.00017.54
8.1.20.0000.00817.57
8.1.10.0040.00417.40
8.1.00.0000.00817.34
8.0.300.0050.00221.39
8.0.290.0040.00416.63
8.0.280.0040.00418.36
8.0.270.0030.00517.19
8.0.260.0000.00716.80
8.0.250.0030.00316.82
8.0.240.0030.00516.90
8.0.230.0030.00316.77
8.0.220.0070.00016.71
8.0.210.0030.00516.80
8.0.200.0030.00316.86
8.0.190.0040.00416.87
8.0.180.0070.00016.85
8.0.170.0030.00316.88
8.0.160.0040.00416.69
8.0.150.0030.00516.79
8.0.140.0000.00816.78
8.0.130.0000.00713.19
8.0.120.0040.00416.80
8.0.110.0000.00816.83
8.0.100.0000.00816.78
8.0.90.0080.00016.72
8.0.80.0070.01516.70
8.0.70.0050.00216.76
8.0.60.0020.00516.75
8.0.50.0000.00716.77
8.0.30.0060.01516.89
8.0.20.0110.00817.40
8.0.10.0000.00716.80
8.0.00.0090.01116.54
7.4.330.0020.00215.08
7.4.320.0060.00016.34
7.4.300.0030.00316.34
7.4.290.0070.00316.52
7.4.280.0070.00016.54
7.4.270.0030.00316.52
7.4.260.0030.00316.41
7.4.250.0000.00816.38
7.4.240.0050.00216.49
7.4.230.0080.00016.32
7.4.220.0090.00916.38
7.4.210.0080.00916.52
7.4.200.0030.00316.53
7.4.190.0030.00316.38
7.4.160.0120.00316.19
7.4.150.0090.00917.40
7.4.140.0070.01217.86
7.4.130.0110.00716.34
7.4.120.0080.00916.33
7.4.110.0070.01016.54
7.4.100.0180.00416.25
7.4.90.0100.01316.26
7.4.80.0030.01316.54
7.4.70.0130.00316.36
7.4.60.0100.00616.36
7.4.50.0000.00816.49
7.4.40.0070.00722.77
7.4.30.0160.00016.39
7.4.10.0110.00715.36
7.4.00.0020.01415.26
7.3.330.0000.00613.01
7.3.320.0060.00012.99
7.3.310.0030.00316.04
7.3.300.0030.00316.13
7.3.290.0060.00916.16
7.3.280.0070.00716.15
7.3.270.0180.00017.40
7.3.260.0160.01016.16
7.3.250.0080.01016.27
7.3.240.0060.01016.30
7.3.230.0130.00316.39
7.3.210.0110.00716.06
7.3.200.0110.00719.39
7.3.190.0110.00216.23
7.3.180.0090.00616.20
7.3.170.0080.00816.30
7.3.160.0060.00916.18
7.3.130.0070.01215.43
7.3.120.0050.01315.17
7.3.110.0080.00715.06
7.3.100.0100.00715.11
7.3.90.0080.00815.04
7.3.80.0070.00715.08
7.3.70.0060.00815.06
7.3.60.0070.00715.07
7.3.50.0070.00714.87
7.3.40.0060.00915.06
7.3.30.0030.01014.94
7.3.20.0050.00716.82
7.3.10.0030.01016.83
7.3.00.0060.00716.88
7.2.330.0090.00816.33
7.2.320.0090.00916.41
7.2.310.0090.00716.55
7.2.300.0060.01216.17
7.2.290.0100.00616.52
7.2.260.0070.00715.46
7.2.250.0090.00915.36
7.2.240.0050.01215.21
7.2.230.0090.00715.20
7.2.220.0070.00815.20
7.2.210.0090.00815.02
7.2.200.0070.00815.24
7.2.190.0070.00815.19
7.2.180.0060.00915.07
7.2.170.0040.01015.18
7.2.160.0070.00715.09
7.2.150.0030.01217.00
7.2.140.0090.00517.04
7.2.130.0070.00717.04
7.2.120.0100.00517.04
7.2.110.0030.01016.95
7.2.100.0070.00817.08
7.2.90.0050.01117.10
7.2.80.0020.01217.04
7.2.70.0050.00817.10
7.2.60.0060.00816.99
7.2.50.0080.00417.08
7.2.40.0050.00817.04
7.2.30.0070.00717.12
7.2.20.0060.00717.10
7.2.10.0040.01017.01
7.2.00.0040.00817.41
7.1.330.0090.00716.13
7.1.320.0040.00815.94
7.1.310.0070.00716.10
7.1.300.0080.00516.06
7.1.290.0040.00916.00
7.1.280.0040.00816.09
7.1.270.0060.00816.02
7.1.260.0060.00816.13
7.1.250.0060.00415.96
7.1.240.0040.00916.15
7.1.230.0060.00616.16
7.1.220.0050.00816.17
7.1.210.0050.00716.30
7.1.200.0050.00516.14
7.1.190.0060.00716.20
7.1.180.0030.00916.13
7.1.170.0020.01116.23
7.1.160.0040.00816.15
7.1.150.0040.01116.18
7.1.140.0070.00716.17
7.1.130.0060.00616.12
7.1.120.0090.00416.18
7.1.110.0040.00816.08
7.1.100.0060.00716.58
7.1.90.0060.00716.18
7.1.80.0040.01016.30
7.1.70.0050.00616.55
7.1.60.0050.01216.96
7.1.50.0060.01116.37
7.1.40.0060.00516.37
7.1.30.0070.00716.15
7.1.20.0100.00116.14
7.1.10.0050.00716.26
7.1.00.0030.02717.69
7.0.330.0080.00615.68
7.0.320.0030.00615.79
7.0.310.0060.00615.89
7.0.300.0020.01015.86
7.0.290.0040.00815.85
7.0.280.0080.00615.75
7.0.270.0060.00615.73
7.0.260.0070.00716.00
7.0.250.0060.00916.01
7.0.240.0050.00715.80
7.0.230.0040.00915.82
7.0.220.0080.00615.84
7.0.210.0060.00715.64
7.0.200.0100.00416.02
7.0.190.0010.01215.81
7.0.180.0050.01115.92
7.0.170.0090.00715.87
7.0.160.0050.00715.87
7.0.150.0060.00615.85
7.0.140.0050.02317.48
7.0.130.0060.00715.82
7.0.120.0050.00715.80
7.0.110.0060.00615.86
7.0.100.0090.00615.95
7.0.90.0040.00915.96
7.0.80.0070.00815.94
7.0.70.0080.00715.81
7.0.60.0050.02916.81
7.0.50.0070.01516.32
7.0.40.0060.01515.40
7.0.30.0120.01815.46
7.0.20.0110.01815.49
7.0.10.0010.02615.33
7.0.00.0030.01515.41
5.6.400.0080.00714.80
5.6.390.0030.00814.47
5.6.380.0050.00814.74
5.6.370.0110.00214.67
5.6.360.0050.00814.89
5.6.350.0050.00614.80
5.6.340.0040.00814.80
5.6.330.0070.00314.92
5.6.320.0050.00914.77
5.6.310.0070.00814.78
5.6.300.0060.01014.79
5.6.290.0060.00714.67
5.6.280.0050.02316.21
5.6.270.0040.01014.64
5.6.260.0090.00714.89
5.6.250.0060.01114.77
5.6.240.0020.01114.74
5.6.230.0040.00914.67
5.6.220.0010.01214.64
5.6.210.0030.02016.17
5.6.200.0050.01615.55
5.6.190.0090.02416.13
5.6.180.0110.01716.26
5.6.170.0110.02416.17
5.6.160.0030.01816.05
5.6.150.0040.01615.54
5.6.140.0020.02015.66
5.6.130.0070.01915.54
5.6.120.0050.02016.33
5.6.110.0060.02516.27
5.6.100.0050.01816.29
5.6.90.0100.01816.24
5.6.80.0030.02315.99
5.6.70.1070.01516.03
5.6.60.0080.00614.52
5.6.50.0080.00514.63
5.6.40.0110.00314.65
5.6.30.0030.00814.67
5.6.20.0040.00614.69
5.6.10.0050.00614.72
5.6.00.0030.01314.60
5.5.380.0040.00914.51
5.5.370.0040.01014.62
5.5.360.0060.00814.44
5.5.350.0100.02316.16
5.5.340.0090.02415.48
5.5.330.0050.02915.96
5.5.320.0030.02016.03
5.5.310.0150.02215.96
5.5.300.0060.02515.45
5.5.290.0060.02415.50
5.5.280.0060.01516.36
5.5.270.0040.01816.19
5.5.260.0050.01816.10
5.5.250.0040.02516.01
5.5.240.0110.02416.05
5.5.230.0040.01114.29
5.5.220.0050.00814.58
5.5.210.0040.00814.41
5.5.200.0080.00514.48
5.5.190.0080.00314.42
5.5.180.0060.00614.44
5.5.170.0050.00614.47
5.5.160.0080.00414.52
5.5.150.0040.00714.45
5.5.140.0060.00614.44
5.5.130.0040.00814.60
5.5.120.0050.00714.56
5.5.110.0070.00614.46
5.5.100.0040.00914.58
5.5.90.0060.00914.50
5.5.80.0060.00914.42
5.5.70.0020.01214.51
5.5.60.0050.00814.46
5.5.50.0070.00614.34
5.5.40.0080.00614.45
5.5.30.0050.00914.45
5.5.20.0100.00314.35
5.5.10.0060.00514.55
5.5.00.0100.00514.27
5.4.450.0120.01913.62
5.4.440.0090.01513.67
5.4.430.0210.01713.69
5.4.420.0180.00513.71
5.4.410.0060.01913.47
5.4.400.0270.01513.52
5.4.390.0280.01513.42
5.4.380.0040.02413.58
5.4.370.0050.01913.47
5.4.360.0040.01613.48
5.4.350.0050.01311.79
5.4.340.0030.01411.88
5.4.330.0010.00911.84
5.4.320.0050.01411.93
5.4.310.0040.01612.00
5.4.300.0050.01212.06
5.4.290.0050.01312.00
5.4.280.0070.01811.93
5.4.270.0040.01811.92
5.4.260.0060.02112.01
5.4.250.0080.01912.00
5.4.240.0050.02612.10
5.4.230.0060.01912.04
5.4.220.0080.01512.01
5.4.210.0060.02011.98
5.4.200.0100.01512.01
5.4.190.0050.01912.00
5.4.180.0050.01812.00
5.4.170.0060.01711.99
5.4.160.0050.01712.01
5.4.150.0070.01711.93
5.4.140.0080.01611.94
5.4.130.0040.01811.88
5.4.120.0060.01411.88
5.4.110.0050.01711.85
5.4.100.0080.02111.92
5.4.90.0090.02611.90
5.4.80.0070.01311.97
5.4.70.0070.01611.92
5.4.60.0100.01811.89
5.4.50.0080.02311.89
5.4.40.0060.02211.92
5.4.30.0070.02011.92
5.4.20.0050.01911.87
5.4.10.0070.01611.94
5.4.00.0070.01511.79
5.3.290.0050.01412.12
5.3.280.0050.01712.05
5.3.270.0060.01812.01
5.3.260.0080.01512.03
5.3.250.0060.02012.04
5.3.240.0060.02012.06
5.3.230.0050.02212.09
5.3.220.0060.01812.06
5.3.210.0070.02211.97
5.3.200.0050.02112.10
5.3.190.0120.02512.08
5.3.180.0080.01812.13
5.3.170.0060.01612.13
5.3.160.0040.01912.10
5.3.150.0080.01712.11
5.3.140.0050.01612.12
5.3.130.0070.01612.03
5.3.120.0080.01512.00
5.3.110.0040.01711.99
5.3.100.0030.01711.89
5.3.90.0060.01611.86
5.3.80.0070.01611.87
5.3.70.0080.03211.79
5.3.60.0090.01911.93
5.3.50.0080.02111.80
5.3.40.0070.01811.87
5.3.30.0050.01811.88
5.3.20.0070.01611.83
5.3.10.0060.02111.72
5.3.00.0050.02311.72
5.2.170.0110.0539.18
5.2.160.0160.0539.17
5.2.150.0110.0629.18
5.2.140.0160.0619.17
5.2.130.0100.0349.13
5.2.120.0090.0369.13
5.2.110.0210.0649.14
5.2.100.0080.0289.14
5.2.90.0080.0309.13
5.2.80.0090.0349.14
5.2.70.0090.0419.13
5.2.60.0050.0339.09
5.2.50.0070.0319.06
5.2.40.0080.0389.03
5.2.30.0050.0369.01
5.2.20.0040.0348.99
5.2.10.0140.0488.91
5.2.00.0040.0338.77
5.1.60.0050.0268.04
5.1.50.0050.0348.04
5.1.40.0050.0298.03
5.1.30.0050.0288.38
5.1.20.0100.0318.40
5.1.10.0180.0528.12
5.1.00.0060.0288.12
5.0.50.0040.0246.59
5.0.40.0040.0216.46
5.0.30.0070.0306.27
5.0.20.0020.0226.24
5.0.10.0030.0226.22
5.0.00.0060.0306.21
4.4.90.0030.0174.78
4.4.80.0040.0174.75
4.4.70.0150.0314.76
4.4.60.0050.0184.76
4.4.50.0050.0154.77
4.4.40.0010.0294.71
4.4.30.0040.0164.76
4.4.20.0030.0184.84
4.4.10.0050.0264.85
4.4.00.0080.0374.76
4.3.110.0040.0264.67
4.3.100.0180.0454.67
4.3.90.0090.0324.63
4.3.80.0020.0324.58
4.3.70.0050.0224.63
4.3.60.0090.0374.63
4.3.50.0030.0294.63
4.3.40.0080.0414.54
4.3.30.0060.0243.27
4.3.20.0020.0173.25
4.3.10.0030.0163.22
4.3.00.0030.0206.90

preferences:
58.85 ms | 401 KiB | 5 Q