3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tests = array( 'test1' => array( '11', '22', '33', '44' ), 'test2' => array( '44', '55', '66', '77' ) ); $new = array(); foreach( $tests as $test ) { $new += $test; } print_r($new);

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)
8.3.60.0060.01216.46
8.3.50.0220.00921.93
8.3.40.0110.00718.54
8.3.30.0070.00718.91
8.3.20.0000.00820.21
8.3.10.0000.00723.64
8.3.00.0050.00320.55
8.2.180.0130.01016.63
8.2.170.0100.01022.96
8.2.160.0070.00722.10
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00622.31
8.2.110.0090.00020.50
8.2.100.0070.00417.84
8.2.90.0000.00819.17
8.2.80.0030.00617.97
8.2.70.0040.00717.63
8.2.60.0030.00717.91
8.2.50.0000.00818.07
8.2.40.0000.00719.46
8.2.30.0000.00818.11
8.2.20.0030.00517.69
8.2.10.0000.00717.64
8.2.00.0030.00617.73
8.1.280.0130.00725.92
8.1.270.0030.00523.82
8.1.260.0000.00926.35
8.1.250.0050.00328.09
8.1.240.0060.00321.00
8.1.230.0070.00417.42
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0040.00417.35
8.1.190.0070.00717.05
8.1.180.0120.00018.10
8.1.170.0040.00418.71
8.1.160.0040.00421.99
8.1.150.0040.00418.59
8.1.140.0060.00317.45
8.1.130.0070.00017.81
8.1.120.0040.00417.47
8.1.110.0040.00417.45
8.1.100.0040.00417.48
8.1.90.0000.00717.48
8.1.80.0050.00317.33
8.1.70.0030.00317.27
8.1.60.0000.00917.59
8.1.50.0000.00817.42
8.1.40.0050.00317.45
8.1.30.0060.00317.53
8.1.20.0040.00417.60
8.1.10.0040.00417.47
8.1.00.0060.00617.39
8.0.300.0030.00618.77
8.0.290.0000.00816.63
8.0.280.0000.00718.48
8.0.270.0000.00717.16
8.0.260.0000.00616.81
8.0.250.0000.00716.92
8.0.240.0000.00916.91
8.0.230.0000.00717.05
8.0.220.0030.00316.84
8.0.210.0040.00416.84
8.0.200.0000.00617.01
8.0.190.0050.00216.98
8.0.180.0070.00016.89
8.0.170.0000.00916.86
8.0.160.0040.00416.84
8.0.150.0070.00016.89
8.0.140.0050.00216.82
8.0.130.0060.00013.41
8.0.120.0040.00416.95
8.0.110.0000.00716.95
8.0.100.0000.00817.05
8.0.90.0000.00716.82
8.0.80.0030.01216.83
8.0.70.0000.00716.96
8.0.60.0040.00416.95
8.0.50.0070.00016.96
8.0.30.0120.01017.11
8.0.20.0100.00917.40
8.0.10.0050.00317.12
8.0.00.0090.01916.64
7.4.330.0000.00515.16
7.4.320.0030.00316.57
7.4.300.0030.00316.58
7.4.290.0040.00416.41
7.4.280.0030.00516.41
7.4.270.0060.00016.50
7.4.260.0040.00416.62
7.4.250.0000.00916.48
7.4.240.0030.00316.54
7.4.230.0000.00816.60
7.4.220.0190.00616.55
7.4.210.0090.00716.50
7.4.200.0040.00416.57
7.4.190.0000.00816.54
7.4.160.0090.00616.68
7.4.150.0070.01017.40
7.4.140.0030.01417.86
7.4.130.0090.00716.52
7.4.120.0080.01016.48
7.4.110.0060.01116.57
7.4.100.0160.00816.32
7.4.90.0210.00016.47
7.4.80.0100.00716.38
7.4.70.0030.01316.48
7.4.60.0070.01516.34
7.4.50.0040.00416.65
7.4.40.0090.00622.77
7.4.30.0140.00316.42
7.4.00.0060.00614.80
7.3.330.0050.00013.16
7.3.320.0030.00313.06
7.3.310.0030.00316.19
7.3.300.0040.00416.36
7.3.290.0060.01216.36
7.3.280.0140.00516.31
7.3.270.0140.00417.40
7.3.260.0060.01316.37
7.3.250.0070.01016.41
7.3.240.0100.00716.55
7.3.230.0080.00816.39
7.3.210.0120.00416.55
7.3.200.0130.00319.39
7.3.190.0000.01516.46
7.3.180.0040.01416.55
7.3.170.0090.00916.27
7.3.160.0050.01016.35
7.3.120.0100.00714.77
7.3.110.0070.00715.03
7.3.100.0090.00614.71
7.3.90.0000.00914.96
7.3.80.0070.01014.66
7.3.70.0070.00414.54
7.3.60.0000.01414.73
7.3.50.0080.00814.74
7.3.40.0070.00715.01
7.3.30.0100.00714.96
7.3.20.0090.00616.58
7.3.10.0080.00416.45
7.3.00.0070.00616.59
7.2.330.0060.01216.68
7.2.320.0070.01116.68
7.2.310.0090.00916.46
7.2.300.0050.01416.62
7.2.290.0130.01016.72
7.2.240.0060.00915.00
7.2.230.0060.01014.73
7.2.220.0090.00614.85
7.2.210.0110.00715.13
7.2.200.0060.00614.88
7.2.190.0070.00714.98
7.2.180.0060.00914.98
7.2.170.0070.01115.09
7.2.160.0040.01015.01
7.2.150.0060.01017.01
7.2.140.0080.00816.79
7.2.130.0080.00816.87
7.2.120.0050.00816.56
7.2.110.0080.00716.88
7.2.100.0090.00616.73
7.2.90.0100.00516.78
7.2.80.0090.00616.73
7.2.70.0070.00716.92
7.2.60.0050.01016.74
7.2.50.0100.00616.80
7.2.40.0060.00916.60
7.2.30.0090.00716.93
7.2.20.0080.00516.76
7.2.10.0090.00516.84
7.2.00.0030.01017.71
7.1.330.0080.00615.71
7.1.320.0140.00316.02
7.1.310.0070.00315.89
7.1.300.0100.00315.91
7.1.290.0070.00615.74
7.1.280.0080.00415.82
7.1.270.0060.00615.80
7.1.260.0090.00615.82
7.1.250.0050.00915.82
7.1.100.0060.00618.15
7.1.70.0000.01017.26
7.1.60.0170.00719.27
7.1.50.0100.01016.77
7.1.00.0070.08722.40
7.0.200.0040.00416.79
7.0.140.0000.07722.18
7.0.120.0170.05322.01
7.0.110.0000.05021.93
7.0.100.0100.06022.00
7.0.90.0100.04021.93
7.0.80.0030.04322.00
7.0.70.0100.02722.18
7.0.60.0130.03322.00
7.0.50.0030.03321.93
7.0.40.0100.03720.15
7.0.30.0000.04720.02
7.0.20.0100.04020.00
7.0.10.0030.04319.96
7.0.00.0000.04320.09
5.6.270.0130.06721.02
5.6.260.0030.04020.91
5.6.250.0070.03720.73
5.6.240.0030.04021.04
5.6.230.0030.03320.82
5.6.220.0030.06320.67
5.6.210.0030.07320.86
5.6.200.0070.04021.03
5.6.190.0070.05720.87
5.6.180.0070.04020.92
5.6.170.0070.04321.03
5.6.160.0100.03720.68
5.6.150.0130.03720.74
5.6.140.0070.07320.74
5.6.130.0100.05720.98
5.6.120.0130.05720.68
5.6.110.0000.07020.98
5.6.100.0170.07320.90
5.6.90.0070.04020.93
5.6.80.0070.07320.41
5.6.70.0100.06320.25
5.6.60.0100.03720.17
5.6.50.0000.06020.27
5.6.40.0070.06720.11
5.6.30.0130.07320.14
5.6.20.0070.06720.33
5.6.10.0070.07020.38
5.6.00.0100.05320.16
5.5.380.0000.04317.51
5.5.370.0000.04317.63
5.5.360.0070.04317.49
5.5.350.0000.04017.64
5.5.340.0030.04018.05
5.5.330.0000.04018.22
5.5.320.0000.04317.93
5.5.310.0000.04718.11
5.5.300.0070.03318.25
5.5.290.0070.04318.25
5.5.280.0070.04017.91
5.5.270.0100.07018.22
5.5.260.0000.06017.89
5.5.250.0030.05317.71
5.5.240.0070.05317.29
5.5.230.0070.03017.61
5.5.220.0070.08317.26
5.5.210.0030.03317.50
5.5.200.0030.03317.40
5.5.190.0070.07317.26
5.5.180.0100.08717.45
5.5.160.0070.06717.57
5.5.150.0100.05017.59
5.5.140.0070.04017.27
5.5.130.0030.05317.46
5.5.120.0200.03317.42
5.5.110.0000.08317.41
5.5.100.0000.06017.32
5.5.90.0030.05017.35
5.5.80.0070.04017.15
5.5.70.0100.06317.17
5.5.60.0100.07017.37
5.5.50.0170.04717.46
5.5.40.0030.04717.16
5.5.30.0070.03717.49
5.5.20.0070.07717.37
5.5.10.0070.06717.36
5.5.00.0030.04317.35
5.4.450.0200.03019.25
5.4.440.0000.08719.30
5.4.430.0100.06019.51
5.4.420.0070.07319.57
5.4.410.0000.03719.23
5.4.400.0030.04018.90
5.4.390.0030.03718.93
5.4.380.0030.03319.12
5.4.370.0070.07018.98
5.4.360.0030.03319.19
5.4.350.0070.06719.09
5.4.340.0070.03019.13
5.4.320.0130.04718.94
5.4.310.0100.07018.94
5.4.300.0100.07718.89
5.4.290.0100.04319.03
5.4.280.0030.07019.09
5.4.270.0100.07319.10
5.4.260.0000.04318.92
5.4.250.0000.04719.18
5.4.240.0070.04019.08
5.4.230.0070.08019.13
5.4.220.0070.04018.92
5.4.210.0100.07318.92
5.4.200.0000.05318.92
5.4.190.0070.03719.18
5.4.180.0000.04319.03
5.4.170.0000.08018.95
5.4.160.0130.03719.07
5.4.150.0030.05318.92
5.4.140.0030.04016.49
5.4.130.0000.05016.37
5.4.120.0000.04716.25
5.4.110.0000.03316.65
5.4.100.0070.06316.27
5.4.90.0000.07316.50
5.4.80.0030.05316.50
5.4.70.0000.03016.51
5.4.60.0030.06716.26
5.4.50.0000.05316.49
5.4.40.0000.05716.53
5.4.30.0000.06316.24
5.4.20.0000.04316.57
5.4.10.0030.06716.24
5.4.00.0030.07015.87
5.3.290.0030.07314.68
5.3.280.0070.03714.61
5.3.270.0070.03714.46
5.3.260.0030.04014.62
5.3.250.0000.04014.59
5.3.240.0030.06314.62
5.3.230.0030.04014.60
5.3.220.0030.07314.79
5.3.210.0000.03714.53
5.3.200.0000.07314.58
5.3.190.0000.03314.56
5.3.180.0030.07314.52
5.3.170.0000.05714.56
5.3.160.0030.07014.56
5.3.150.0030.03014.64
5.3.140.0030.05714.54
5.3.130.0000.08014.57
5.3.120.0000.04714.55
5.3.110.0030.03314.50
5.3.100.0030.07314.04
5.3.90.0030.05014.11
5.3.80.0030.07314.04
5.3.70.0030.05014.14
5.3.60.0000.07314.00
5.3.50.0000.06014.02
5.3.40.0000.04713.96
5.3.30.0000.07013.87
5.3.20.0070.07013.68
5.3.10.0030.03313.87
5.3.00.0030.04313.48
5.2.170.0000.03311.13
5.2.160.0030.03311.20
5.2.150.0000.06311.14
5.2.140.0000.06711.26
5.2.130.0000.02311.09
5.2.120.0070.03011.06
5.2.110.0000.06011.10
5.2.100.0000.05711.07
5.2.90.0030.03710.95
5.2.80.0030.08011.04
5.2.70.0100.05311.04
5.2.60.0000.03011.03
5.2.50.0130.02311.14
5.2.40.0030.05711.00
5.2.30.0000.06710.97
5.2.20.0170.02310.93
5.2.10.0000.02710.86
5.2.00.0000.03010.84
5.1.60.0000.0239.95
5.1.50.0000.02710.06
5.1.40.0030.0239.90
5.1.30.0030.02310.23
5.1.20.0000.02710.36
5.1.10.0000.02310.23
5.1.00.0030.02010.08
5.0.50.0000.0209.75
5.0.40.0000.0209.75
5.0.30.0030.0239.75
5.0.20.0000.0179.75
5.0.10.0030.0179.75
5.0.00.0000.0309.75
4.4.90.0000.0239.75
4.4.80.0030.0239.75
4.4.70.0000.0179.75
4.4.60.0000.0309.75
4.4.50.0030.0239.75
4.4.40.0000.0239.75
4.4.30.0000.0179.75
4.4.20.0030.0109.75
4.4.10.0000.0139.75
4.4.00.0030.0239.75
4.3.110.0000.0139.75
4.3.100.0000.0109.75
4.3.90.0000.0139.75
4.3.80.0000.0239.75
4.3.70.0000.0139.75
4.3.60.0000.0139.75
4.3.50.0000.0139.75
4.3.40.0000.0209.75
4.3.30.0000.0179.75
4.3.20.0000.0139.75
4.3.10.0000.0139.75
4.3.00.0000.0179.75

preferences:
49.99 ms | 401 KiB | 5 Q