3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' =>1); $a += array('b' => 2); var_dump($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)
8.3.40.0070.00718.54
8.3.30.0100.00720.21
8.3.20.0030.00520.57
8.3.10.0080.00020.92
8.3.00.0070.00023.53
8.2.170.0090.01222.96
8.2.160.0100.00320.47
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00421.14
8.2.110.0030.00720.52
8.2.100.0040.00817.90
8.2.90.0000.00819.34
8.2.80.0100.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0030.00618.16
8.2.30.0040.00419.48
8.2.20.0000.00717.68
8.2.10.0000.00917.62
8.2.00.0040.00417.48
8.1.270.0020.00523.99
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00322.80
8.1.230.0040.00717.70
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.00917.23
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0040.00418.48
8.1.160.0000.00718.72
8.1.150.0060.00318.43
8.1.140.0000.00817.29
8.1.130.0030.00317.80
8.1.120.0040.00417.41
8.1.110.0050.00317.27
8.1.100.0080.00017.40
8.1.90.0070.00017.30
8.1.80.0000.00717.27
8.1.70.0070.00017.40
8.1.60.0040.00417.54
8.1.50.0000.00817.36
8.1.40.0030.00517.29
8.1.30.0050.00317.55
8.1.20.0040.00417.56
8.1.10.0060.00317.30
8.1.00.0080.00017.33
8.0.300.0040.00418.77
8.0.290.0090.00016.75
8.0.280.0070.00018.38
8.0.270.0040.00417.18
8.0.260.0000.00716.81
8.0.250.0040.00416.96
8.0.240.0030.00316.91
8.0.230.0000.00716.93
8.0.220.0030.00316.87
8.0.210.0030.00316.80
8.0.200.0000.00616.86
8.0.190.0000.00816.95
8.0.180.0030.00516.80
8.0.170.0040.00416.80
8.0.160.0000.00816.86
8.0.150.0000.00816.84
8.0.140.0040.00416.86
8.0.130.0050.00013.23
8.0.120.0040.00416.91
8.0.110.0000.00916.88
8.0.100.0000.00716.75
8.0.90.0040.00416.94
8.0.80.0040.01216.79
8.0.70.0050.00316.94
8.0.60.0000.00716.82
8.0.50.0070.00016.76
8.0.30.0100.01217.06
8.0.20.0100.00817.40
8.0.10.0040.00316.90
8.0.00.0130.00516.77
7.4.330.0000.00516.79
7.4.320.0070.00016.56
7.4.300.0000.00716.57
7.4.290.0070.00016.45
7.4.280.0070.00316.51
7.4.270.0000.00816.42
7.4.260.0030.00313.18
7.4.250.0080.00016.53
7.4.240.0000.00716.55
7.4.230.0000.00716.59
7.4.220.0030.02316.34
7.4.210.0050.00916.50
7.4.200.0060.00016.63
7.4.190.0030.00316.40
7.4.160.0190.00416.51
7.4.150.0180.00717.40
7.4.140.0090.00817.86
7.4.130.0090.01116.30
7.4.120.0110.00616.51
7.4.110.0130.00716.37
7.4.100.0130.00916.35
7.4.90.0140.00416.26
7.4.80.0090.00919.39
7.4.70.0140.00716.44
7.4.60.0100.00716.41
7.4.50.0030.00516.28
7.4.40.0070.00722.77
7.4.30.0060.00916.49
7.4.00.0030.01414.84
7.3.330.0020.00213.09
7.3.320.0030.00312.92
7.3.310.0070.00015.97
7.3.300.0050.00316.18
7.3.290.0040.01116.07
7.3.280.0120.00416.10
7.3.270.0130.00417.40
7.3.260.0100.01018.24
7.3.250.0160.00516.21
7.3.240.0060.01016.43
7.3.230.0100.00616.39
7.3.210.0160.00616.34
7.3.200.0090.00919.39
7.3.190.0040.01316.43
7.3.180.0030.01416.29
7.3.170.0060.00916.33
7.3.160.0130.00916.22
7.3.120.0070.01014.79
7.3.110.0100.00814.56
7.3.100.0090.00514.72
7.3.90.0060.00314.66
7.3.80.0020.01114.83
7.3.70.0070.00914.45
7.3.60.0070.00614.58
7.3.50.0050.00814.50
7.3.40.0110.00514.50
7.3.30.0030.00914.62
7.3.20.0100.00716.44
7.3.10.0130.00316.33
7.3.00.0050.00916.44
7.2.330.0060.01516.49
7.2.320.0090.00916.31
7.2.310.0070.01316.37
7.2.300.0110.00716.14
7.2.290.0080.00816.29
7.2.250.0070.01314.82
7.2.240.0080.01214.63
7.2.230.0050.01014.73
7.2.220.0050.00714.66
7.2.210.0090.00714.63
7.2.200.0090.00514.94
7.2.190.0070.00814.53
7.2.180.0060.00914.84
7.2.170.0050.00614.63
7.2.130.0080.00416.88
7.2.120.0030.00916.50
7.2.110.0030.00616.75
7.2.100.0030.00816.84
7.2.90.0060.00316.86
7.2.80.0030.00916.68
7.2.70.0050.00516.54
7.2.60.0080.00416.42
7.2.50.0000.01116.75
7.2.40.0000.01416.90
7.2.30.0090.00616.27
7.2.20.0070.00716.82
7.2.10.0030.01016.71
7.2.00.0000.01116.69
7.1.330.0050.00815.79
7.1.320.0050.00815.81
7.1.310.0080.00515.83
7.1.300.0100.00515.59
7.1.290.0080.00615.67
7.1.280.0070.00515.77
7.1.270.0030.00815.86
7.1.260.0070.00715.79
7.1.250.0040.00715.51
7.1.240.0000.01015.63
7.1.230.0070.00315.52
7.1.220.0100.00015.69
7.1.210.0040.00415.73
7.1.200.0070.00515.79
7.1.190.0030.00715.85
7.1.180.0000.01015.91
7.1.170.0040.00715.73
7.1.160.0040.01115.61
7.1.150.0080.00415.55
7.1.140.0100.00315.85
7.1.130.0000.00915.73
7.1.120.0130.00315.56
7.1.110.0070.00715.54
7.1.100.0030.00915.93
7.1.90.0040.01115.59
7.1.80.0060.00915.86
7.1.70.0050.00816.38
7.1.60.0080.00917.33
7.1.50.0090.00616.19
7.1.40.0090.00315.89
7.1.30.0070.00715.80
7.1.20.0040.00915.90
7.1.10.0060.00315.78
7.1.00.0030.04319.21
7.0.330.0030.00715.25
7.0.320.0040.00815.17
7.0.310.0060.00615.25
7.0.300.0070.00715.37
7.0.290.0040.00815.37
7.0.280.0040.00815.23
7.0.270.0030.00715.36
7.0.260.0060.00615.22
7.0.250.0070.00415.25
7.0.240.0060.00315.42
7.0.230.0040.00815.11
7.0.220.0060.00615.36
7.0.210.0110.00515.09
7.0.200.0050.00516.11
7.0.190.0100.00315.13
7.0.180.0000.00915.45
7.0.170.0120.00015.43
7.0.160.0060.00615.53
7.0.150.0090.00615.15
7.0.140.0070.03718.72
7.0.130.0030.01015.31
7.0.120.0030.00915.25
7.0.110.0050.00515.39
7.0.100.0080.03717.65
7.0.90.0050.03517.68
7.0.80.0030.02717.49
7.0.70.0170.02217.62
7.0.60.0030.02817.63
7.0.50.0080.02517.89
7.0.40.0100.04316.70
7.0.30.0030.04916.79
7.0.20.0060.04316.79
7.0.10.0090.04216.60
7.0.00.0100.04516.66
5.6.380.0060.00313.88
5.6.370.0070.00714.30
5.6.360.0040.00414.17
5.6.350.0000.01014.49
5.6.340.0060.00614.30
5.6.330.0030.00914.31
5.6.320.0000.01114.41
5.6.310.0090.00014.24
5.6.300.0110.00414.27
5.6.290.0100.00014.38
5.6.280.0050.03817.71
5.6.270.0030.00713.91
5.6.260.0080.00013.96
5.6.250.0030.03017.33
5.6.240.0070.04517.19
5.6.230.0060.02817.45
5.6.220.0110.04117.45
5.6.210.0100.03917.49
5.6.200.0080.02817.55
5.6.190.0020.04817.72
5.6.180.0050.04817.61
5.6.170.0070.04017.53
5.6.160.0070.04617.45
5.6.150.0070.04417.60
5.6.140.0070.04317.73
5.6.130.0030.03517.56
5.6.120.0090.04917.67
5.6.110.0080.03217.64
5.6.100.0070.04317.62
5.6.90.0070.04517.58
5.6.80.0040.03417.43
5.6.70.0150.03317.35
5.6.60.0100.03817.44
5.6.50.0050.02717.32
5.6.40.0120.03917.19
5.6.30.0050.03817.35
5.6.20.0070.04017.21
5.6.10.0070.02417.15
5.6.00.0070.04217.03
5.5.380.0040.04015.72
5.5.370.0000.02615.62
5.5.360.0100.03215.74
5.5.350.0070.04215.82
5.5.340.0060.04015.85
5.5.330.0080.04215.76
5.5.320.0080.02315.95
5.5.310.0080.02315.83
5.5.300.0100.03515.93
5.5.290.0080.03715.84
5.5.280.0050.04415.95
5.5.270.0100.03715.82
5.5.260.0030.03315.90
5.5.250.0090.02015.76
5.5.240.0020.04515.65
5.5.230.0000.03615.68
5.5.220.0030.03815.55
5.5.210.0040.02715.60
5.5.200.0100.03715.56
5.5.190.0080.03015.44
5.5.180.0060.04115.61
5.5.170.0000.01110.90
5.5.160.0080.02315.57
5.5.150.0060.02615.56
5.5.140.0020.04915.56
5.5.130.0080.03315.53
5.5.120.0080.04015.60
5.5.110.0070.04415.54
5.5.100.0050.03715.42
5.5.90.0060.03315.51
5.5.80.0020.02615.49
5.5.70.0050.03015.49
5.5.60.0040.03915.50
5.5.50.0070.03015.54
5.5.40.0100.02615.46
5.5.30.0040.02315.52
5.5.20.0050.04315.54
5.5.10.0080.04115.47
5.5.00.0060.03615.48
5.4.450.0030.04015.13
5.4.440.0080.02615.17
5.4.430.0070.04415.14
5.4.420.0030.04015.22
5.4.410.0030.02615.11
5.4.400.0030.04014.95
5.4.390.0080.02514.96
5.4.380.0050.04614.96
5.4.370.0080.03714.92
5.4.360.0020.04514.86
5.4.350.0080.03314.85
5.4.340.0080.03514.90
5.4.330.0060.00610.93
5.4.320.0050.03414.97
5.4.310.0030.03014.86
5.4.300.0070.02814.88
5.4.290.0070.03715.02
5.4.280.0030.02814.94
5.4.270.0030.04614.87
5.4.260.0050.03714.95
5.4.250.0060.02314.96
5.4.240.0080.03514.97
5.4.230.0050.02014.84
5.4.220.0050.03014.97
5.4.210.0040.04414.84
5.4.200.0020.02414.97
5.4.190.0050.02014.98
5.4.180.0030.02815.00
5.4.170.0030.02514.96
5.4.160.0070.03714.83
5.4.150.0030.03314.93
5.4.140.0000.04213.62
5.4.130.0070.03013.63
5.4.120.0060.02013.66
5.4.110.0030.03813.74
5.4.100.0070.03313.65
5.4.90.0050.03913.60
5.4.80.0070.03613.61
5.4.70.0090.03013.58
5.4.60.0050.03813.63
5.4.50.0020.02313.71
5.4.40.0050.04013.74
5.4.30.0050.02413.64
5.4.20.0090.02913.54
5.4.10.0070.03713.62
5.4.00.0050.03513.44
5.3.290.0040.02212.76
5.3.280.0050.03212.67
5.3.270.0060.03812.72
5.3.260.0030.03812.75
5.3.250.0070.03512.75
5.3.240.0070.03712.68
5.3.230.0070.03712.67
5.3.220.0050.03012.71
5.3.210.0040.02512.68
5.3.200.0070.02512.72
5.3.190.0110.03112.73
5.3.180.0050.03512.65
5.3.170.0030.02812.73
5.3.160.0070.03712.71
5.3.150.0050.02312.71
5.3.140.0070.03712.63
5.3.130.0010.04312.63
5.3.120.0030.04112.65
5.3.110.0020.02512.63
5.3.100.0000.02412.40
5.3.90.0080.03312.39
5.3.80.0040.04012.43
5.3.70.0070.02512.41
5.3.60.0080.03912.45
5.3.50.0070.03412.42
5.3.40.0000.02612.40
5.3.30.0050.03212.40
5.3.20.0020.03412.29
5.3.10.0070.03312.26
5.3.00.0050.02412.27
5.2.170.0060.01811.00
5.2.160.0030.02811.04
5.2.150.0050.02111.02
5.2.140.0010.03610.91
5.2.130.0050.01611.03
5.2.120.0030.03010.96
5.2.110.0020.03510.91
5.2.100.0060.02611.01
5.2.90.0040.03211.03
5.2.80.0020.02910.92
5.2.70.0050.03210.93
5.2.60.0050.02710.99
5.2.50.0050.03010.88
5.2.40.0050.03310.95
5.2.30.0040.02510.92
5.2.20.0090.01510.93
5.2.10.0060.02610.90
5.2.00.0000.02110.83
5.1.60.0020.01510.44
5.1.50.0050.02510.44
5.1.40.0030.02610.46
5.1.30.0010.01810.63
5.1.20.0030.01610.60
5.1.10.0050.01510.51
5.1.00.0050.02810.48
5.0.50.0070.0189.76
5.0.40.0020.0189.69
5.0.30.0070.0289.57
5.0.20.0030.0169.58
5.0.10.0030.0239.53
5.0.00.0020.0229.57
4.4.90.0030.0179.53
4.4.80.0010.0209.53
4.4.70.0020.0179.53
4.4.60.0050.0139.53
4.4.50.0010.0169.53
4.4.40.0020.0269.53
4.4.30.0020.0159.53
4.4.20.0050.0159.53
4.4.10.0020.0179.53
4.4.00.0020.0219.53
4.3.110.0020.0169.53
4.3.100.0000.0199.53
4.3.90.0020.0199.53
4.3.80.0020.0279.53
4.3.70.0020.0089.53
4.3.60.0040.0139.53
4.3.50.0000.0149.53
4.3.40.0050.0249.53
4.3.30.0010.0189.53
4.3.20.0020.0189.53
4.3.10.0020.0199.53
4.3.00.0030.0189.53

preferences:
31.36 ms | 400 KiB | 5 Q