3v4l.org

run code in 300+ PHP versions simultaneously
<?php $res = array( array('a'=>'aa','b'=>'bb'), array('a'=>'aaa','b'=>'bbb') ); $res += array( array('a'=>'a','b'=>'b') ); var_dump($res); $res += array( array('a'=>'aa','b'=>'bb') );

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)
8.3.60.0170.00318.30
8.3.50.0100.00718.23
8.3.40.0070.01418.71
8.3.30.0110.00418.62
8.3.20.0040.00418.48
8.3.10.0030.00618.56
8.3.00.0080.00019.13
8.2.180.0030.01916.32
8.2.170.0040.01122.96
8.2.160.0090.00618.80
8.2.150.0000.00924.18
8.2.140.0070.00324.66
8.2.130.0000.00726.16
8.2.120.0000.00719.95
8.2.110.0090.00022.09
8.2.100.0080.00417.84
8.2.90.0050.00317.75
8.2.80.0040.00418.79
8.2.70.0070.00617.38
8.2.60.0000.00917.93
8.2.50.0080.00018.04
8.2.40.0000.00819.23
8.2.30.0060.00317.54
8.2.20.0060.00317.56
8.2.10.0000.00717.54
8.2.00.0040.00417.58
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00422.09
8.1.230.0120.00017.84
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0050.00517.35
8.1.190.0080.00017.10
8.1.180.0000.00819.01
8.1.170.0050.00317.62
8.1.160.0070.00019.05
8.1.150.0000.00718.56
8.1.140.0070.00017.24
8.1.130.0030.00317.38
8.1.120.0030.00417.38
8.1.110.0000.00717.27
8.1.100.0050.00317.25
8.1.90.0040.00417.45
8.1.80.0000.00717.36
8.1.70.0000.00717.33
8.1.60.0090.00017.56
8.1.50.0040.00417.41
8.1.40.0030.00517.42
8.1.30.0000.00817.58
8.1.20.0060.00317.57
8.1.10.0040.00417.46
8.1.00.0000.00717.27
8.0.300.0080.00019.87
8.0.290.0040.00416.88
8.0.280.0030.00318.54
8.0.270.0000.00717.07
8.0.260.0030.00516.88
8.0.250.0080.00316.98
8.0.240.0050.00316.89
8.0.230.0060.00316.92
8.0.220.0030.00316.86
8.0.210.0030.00316.88
8.0.200.0040.00416.89
8.0.190.0070.00016.82
8.0.180.0040.00416.88
8.0.170.0060.00316.89
8.0.160.0030.00316.98
8.0.150.0000.00916.80
8.0.140.0030.00316.83
8.0.130.0050.00013.26
8.0.120.0030.00616.71
8.0.110.0000.00716.86
8.0.100.0000.00716.68
8.0.90.0070.00016.79
8.0.80.0100.00716.93
8.0.70.0050.00216.76
8.0.60.0060.00216.82
8.0.50.0000.01016.73
8.0.30.0100.00716.98
8.0.20.0110.01116.94
8.0.10.0000.00716.86
8.0.00.0060.01316.72
7.4.330.0050.00013.01
7.4.320.0000.00616.44
7.4.300.0000.00616.43
7.4.290.0070.00316.34
7.4.280.0040.00416.42
7.4.270.0060.00316.34
7.4.260.0030.00313.21
7.4.250.0030.00616.55
7.4.240.0070.00016.45
7.4.230.0030.00316.52
7.4.220.0120.00616.43
7.4.210.0070.01016.34
7.4.200.0040.00416.61
7.4.190.0030.00516.53
7.4.160.0040.01616.30
7.4.150.0140.00316.15
7.4.140.0160.00317.86
7.4.130.0140.00516.48
7.4.120.0150.00316.37
7.4.110.0090.01616.46
7.4.100.0130.00716.47
7.4.90.0080.01116.20
7.4.80.0170.00019.39
7.4.70.0070.01016.46
7.4.60.0120.00616.30
7.4.50.0000.00516.31
7.4.40.0060.01016.43
7.4.30.0070.01016.46
7.4.00.0080.00814.77
7.3.330.0030.00312.88
7.3.320.0050.00012.85
7.3.310.0040.00416.20
7.3.300.0030.00316.14
7.3.290.0080.00916.06
7.3.280.0160.00316.15
7.3.270.0130.00616.16
7.3.260.0060.01216.33
7.3.240.0120.00416.31
7.3.230.0140.00316.42
7.3.210.0030.01316.24
7.3.200.0060.01116.51
7.3.190.0070.01316.15
7.3.180.0030.01216.25
7.3.170.0190.00316.17
7.3.160.0030.01416.18
7.3.120.0050.01214.56
7.3.110.0060.01014.51
7.3.100.0110.00314.80
7.3.90.0110.00414.70
7.3.80.0050.00514.62
7.3.70.0090.00314.82
7.3.60.0030.00614.73
7.3.50.0090.00314.78
7.3.40.0060.00614.39
7.3.30.0070.00314.33
7.3.20.0130.00016.47
7.3.10.0110.00316.46
7.3.00.0090.00516.36
7.2.330.0110.00616.20
7.2.320.0080.01416.22
7.2.310.0170.00716.55
7.2.300.0130.01016.34
7.2.290.0120.00616.30
7.2.250.0100.00615.00
7.2.240.0100.01014.74
7.2.230.0060.01115.04
7.2.220.0040.01114.71
7.2.210.0070.00714.77
7.2.200.0030.01314.92
7.2.190.0070.00714.90
7.2.180.0000.00914.74
7.2.170.0100.00714.74
7.2.130.0080.00816.69
7.2.120.0070.00716.65
7.2.110.0090.00516.52
7.2.100.0050.00716.61
7.2.90.0090.00816.65
7.2.80.0080.00616.39
7.2.70.0080.00816.73
7.2.60.0100.00716.54
7.2.50.0100.00316.70
7.2.40.0090.00516.80
7.2.30.0080.00816.90
7.2.20.0110.00316.64
7.2.10.0100.00416.63
7.2.00.0090.00517.38
7.1.330.0060.01015.94
7.1.320.0070.00715.88
7.1.310.0030.01015.73
7.1.300.0040.01115.52
7.1.290.0000.01615.53
7.1.280.0000.01215.82
7.1.270.0070.00715.58
7.1.260.0000.01415.85
7.1.250.0100.00515.47
7.1.240.0070.00715.63
7.1.230.0090.00515.67
7.1.220.0040.00815.69
7.1.210.0060.00915.63
7.1.200.0040.00815.36
7.1.190.0100.00215.69
7.1.180.0080.00315.82
7.1.170.0080.00715.69
7.1.160.0070.00615.84
7.1.150.0070.00715.62
7.1.140.0080.00515.63
7.1.130.0120.00015.80
7.1.120.0050.00515.79
7.1.110.0110.00315.78
7.1.100.0080.00616.49
7.1.90.0110.00215.85
7.1.80.0030.00815.81
7.1.70.0040.00816.19
7.1.60.0150.00316.80
7.1.50.0050.00916.07
7.1.40.0070.00715.47
7.1.30.0080.00515.82
7.1.20.0090.00615.66
7.1.10.0050.00915.73
7.1.00.0080.01617.93
7.0.330.0050.00715.42
7.0.320.0060.00915.04
7.0.310.0160.00415.07
7.0.300.0050.00515.44
7.0.290.0070.00815.34
7.0.280.0020.00715.40
7.0.270.0080.00515.34
7.0.260.0050.00715.42
7.0.250.0040.00815.48
7.0.240.0090.00715.41
7.0.230.0070.00615.39
7.0.220.0060.00615.45
7.0.210.0110.00015.50
7.0.200.0070.00615.69
7.0.190.0060.00715.39
7.0.180.0090.00515.44
7.0.170.0120.00415.30
7.0.160.0100.00415.35
7.0.150.0050.00715.42
7.0.140.0080.02817.51
7.0.130.0100.00715.49
7.0.120.0050.02917.52
7.0.110.0040.01015.33
7.0.100.0060.00615.39
7.0.90.0030.01015.36
7.0.80.0090.00415.35
7.0.70.0090.00315.20
7.0.60.0050.02216.74
7.0.50.0050.02116.35
7.0.40.0140.03015.58
7.0.30.0110.03015.53
7.0.20.0110.03215.65
7.0.10.0130.02115.76
7.0.00.0100.02015.61
5.6.380.0050.00514.45
5.6.370.0090.00514.26
5.6.360.0080.00614.03
5.6.350.0070.00313.75
5.6.340.0080.00614.30
5.6.330.0030.01014.15
5.6.320.0070.00714.18
5.6.310.0050.00713.94
5.6.300.0060.00814.31
5.6.290.0060.01014.17
5.6.280.0020.03216.38
5.6.270.0050.01014.22
5.6.260.0070.00714.29
5.6.250.0050.00714.17
5.6.240.0040.00914.05
5.6.230.0070.00814.16
5.6.220.0110.00214.07
5.6.210.0080.02616.37
5.6.200.0100.02915.45
5.6.190.0120.02416.23
5.6.180.0110.02916.24
5.6.170.0110.03216.07
5.6.160.0160.02216.13
5.6.150.0210.02216.34
5.6.140.0130.03116.28
5.6.130.0120.03216.20
5.6.120.0140.02716.21
5.6.110.0120.02316.17
5.6.100.0100.02416.22
5.6.90.0090.02416.20
5.6.80.0050.02715.98
5.6.70.0080.02215.88
5.6.60.0050.01616.02
5.6.50.0060.01816.08
5.6.40.0020.02216.13
5.6.30.0020.01916.01
5.6.20.0030.01815.88
5.6.10.0030.02115.92
5.6.00.0050.02315.90
5.5.380.0010.00711.18
5.5.370.0060.00211.18
5.5.360.0100.00211.06
5.5.350.0120.02714.24
5.5.340.0090.02813.34
5.5.330.0060.03014.23
5.5.320.0110.02114.20
5.5.310.0090.03314.09
5.5.300.0100.02614.17
5.5.290.0090.02514.02
5.5.280.0110.02014.11
5.5.270.0070.02214.02
5.5.260.0070.03014.19
5.5.250.0070.03214.02
5.5.240.0040.02713.86
5.5.230.0040.02113.89
5.5.220.0040.01813.88
5.5.210.0020.02013.90
5.5.200.0050.01613.93
5.5.190.0030.01613.80
5.5.180.0080.01613.83
5.5.170.0060.00411.04
5.5.160.0050.01413.88
5.5.150.0030.01813.86
5.5.140.0060.01613.88
5.5.130.0070.01513.96
5.5.120.0060.01613.90
5.5.110.0060.01413.89
5.5.100.0060.01613.86
5.5.90.0050.01813.90
5.5.80.0060.01513.88
5.5.70.0070.01813.85
5.5.60.0060.01213.86
5.5.50.0060.01813.88
5.5.40.0050.01613.76
5.5.30.0030.01813.81
5.5.20.0040.01613.85
5.5.10.0040.01613.82
5.5.00.0020.01813.87
5.4.450.0080.02213.85
5.4.440.0060.02613.78
5.4.430.0050.02713.80
5.4.420.0160.02613.83
5.4.410.0040.02513.69
5.4.400.0020.02413.80
5.4.390.0040.01913.79
5.4.380.0040.02913.62
5.4.370.0060.01513.75
5.4.360.0050.01513.75
5.4.350.0030.01713.63
5.4.340.0060.01513.63
5.4.330.0020.00811.04
5.4.320.0080.01313.75
5.4.310.0060.01313.76
5.4.300.0050.01513.72
5.4.290.0120.01113.68
5.4.280.0060.01313.69
5.4.270.0050.01713.77
5.4.260.0050.01613.66
5.4.250.0040.01513.73
5.4.240.0030.01713.73
5.4.230.0060.02113.62
5.4.220.0060.01513.75
5.4.210.0060.01313.72
5.4.200.0020.01713.75
5.4.190.0030.01613.63
5.4.180.0010.01713.73
5.4.170.0030.01813.83
5.4.160.0030.02313.66
5.4.150.0030.01713.73
5.4.140.0040.01512.84
5.4.130.0030.01512.81
5.4.120.0040.01512.76
5.4.110.0020.01612.81
5.4.100.0020.01612.89
5.4.90.0070.01212.79
5.4.80.0010.01612.90
5.4.70.0060.01412.74
5.4.60.0020.01712.82
5.4.50.0050.02412.89
5.4.40.0060.01912.79
5.4.30.0030.01912.79
5.4.20.0080.01812.77
5.4.10.0030.02312.93
5.4.00.0010.02812.59
5.3.290.0060.01412.21
5.3.280.0020.01812.21
5.3.270.0040.01312.21
5.3.260.0050.01412.20
5.3.250.0020.01612.20
5.3.240.0030.01612.22
5.3.230.0020.01712.20
5.3.220.0040.01412.19
5.3.210.0030.01712.19
5.3.200.0020.01712.18
5.3.190.0040.01512.24
5.3.180.0040.01712.19
5.3.170.0070.01512.20
5.3.160.0040.01512.14
5.3.150.0040.02112.19
5.3.140.0080.02312.20
5.3.130.0080.02112.19
5.3.120.0060.02712.18
5.3.110.0050.02912.20
5.3.100.0030.02712.01
5.3.90.0060.02412.02
5.3.80.0150.01712.01
5.3.70.0050.01912.00
5.3.60.0050.01611.96
5.3.50.0050.02912.04
5.3.40.0040.02311.99
5.3.30.0100.02311.98
5.3.20.0060.02811.90
5.3.10.0100.02411.90
5.3.00.0090.02711.85
5.2.170.0040.02311.43
5.2.160.0030.01611.43
5.2.150.0060.02211.43
5.2.140.0050.01711.43
5.2.130.0060.01711.43
5.2.120.0060.01611.43
5.2.110.0030.01811.43
5.2.100.0090.01211.43
5.2.90.0020.02311.43
5.2.80.0060.01511.43
5.2.70.0030.02011.43
5.2.60.0040.01911.43
5.2.50.0060.02111.43
5.2.40.0050.01611.43
5.2.30.0070.02011.43
5.2.20.0060.02211.43
5.2.10.0040.01511.43
5.2.00.0040.01511.43
5.1.60.0040.01411.43
5.1.50.0050.02111.43
5.1.40.0030.01711.43
5.1.30.0070.01711.43
5.1.20.0050.02011.43
5.1.10.0090.01911.43
5.1.00.0050.01311.43
5.0.50.0060.01711.43
5.0.40.0040.01711.43
5.0.30.0010.01511.43
5.0.20.0020.01411.43
5.0.10.0050.01111.43
5.0.00.0030.02011.43
4.4.90.0040.00911.43
4.4.80.0010.01411.43
4.4.70.0050.01311.43
4.4.60.0030.00811.43
4.4.50.0030.00811.43
4.4.40.0020.02111.43
4.4.30.0050.01111.43
4.4.20.0030.01411.43
4.4.10.0040.00911.43
4.4.00.0040.01311.43
4.3.110.0020.01111.43
4.3.100.0040.01011.43
4.3.90.0040.01311.43
4.3.80.0040.01811.43
4.3.70.0030.01111.43
4.3.60.0040.01411.43
4.3.50.0030.01011.43
4.3.40.0040.01611.43
4.3.30.0030.01611.43
4.3.20.0010.01711.43
4.3.10.0030.01511.43
4.3.00.0030.01611.43

preferences:
41.7 ms | 401 KiB | 5 Q