3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array("a" => 1, "b" => 2, "c" => 3); $arr2 = array("x" => 4, "y" => 5, "z" => 6); foreach ($arr1 as $key => &$val) {} foreach ($arr2 as $key => $val) {} var_dump($arr1); var_dump($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)
8.3.60.0090.00618.32
8.3.50.0120.00721.99
8.3.40.0120.00618.80
8.3.30.0090.00618.95
8.3.20.0070.00020.33
8.3.10.0000.00721.90
8.3.00.0030.00619.25
8.2.180.0100.01016.59
8.2.170.0140.00719.00
8.2.160.0130.00722.96
8.2.150.0000.00824.18
8.2.140.0030.00724.66
8.2.130.0070.00026.16
8.2.120.0080.00019.12
8.2.110.0070.00322.13
8.2.100.0090.00317.50
8.2.90.0000.00719.23
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00817.93
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0000.00718.06
8.2.20.0040.00417.71
8.2.10.0000.00718.17
8.2.00.0060.00317.62
8.1.280.0170.00725.92
8.1.270.0080.00018.87
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0000.00822.74
8.1.230.0080.00417.42
8.1.220.0000.00817.77
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0030.00618.10
8.1.170.0060.00320.37
8.1.160.0040.00421.93
8.1.150.0000.00718.80
8.1.140.0040.00417.40
8.1.130.0040.00417.78
8.1.120.0020.00517.44
8.1.110.0000.00717.45
8.1.100.0040.00417.50
8.1.90.0050.00317.46
8.1.80.0030.00517.35
8.1.70.0030.00317.36
8.1.60.0000.00817.46
8.1.50.0090.00017.49
8.1.40.0000.00717.41
8.1.30.0030.00617.63
8.1.20.0000.00717.63
8.1.10.0000.01217.47
8.1.00.0030.00617.42
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.40
8.0.270.0050.00217.29
8.0.260.0000.00717.15
8.0.250.0030.00316.86
8.0.240.0070.00017.01
8.0.230.0070.00316.92
8.0.220.0000.00716.91
8.0.210.0030.00316.86
8.0.200.0060.00017.02
8.0.190.0000.00816.86
8.0.180.0020.00516.95
8.0.170.0020.00516.89
8.0.160.0050.00316.87
8.0.150.0070.00316.73
8.0.140.0050.00316.81
8.0.130.0050.00513.23
8.0.120.0030.00716.78
8.0.110.0000.00716.96
8.0.100.0000.00716.89
8.0.90.0000.00816.90
8.0.80.0130.00716.91
8.0.70.0160.01216.88
8.0.60.0280.00316.81
8.0.50.0170.01116.76
8.0.30.0180.00917.01
8.0.20.0200.00817.19
8.0.10.0160.01716.96
8.0.00.0100.01316.84
7.4.330.0050.00015.09
7.4.320.0000.00716.55
7.4.300.0000.00716.39
7.4.290.0020.00516.48
7.4.280.0000.00716.62
7.4.270.0080.00016.53
7.4.260.0060.00316.40
7.4.250.0030.00516.49
7.4.240.0030.00416.50
7.4.230.0040.00416.50
7.4.220.0080.01116.46
7.4.210.0150.00716.46
7.4.200.0190.00916.58
7.4.190.0220.00916.69
7.4.180.0170.01616.62
7.4.160.0170.00716.54
7.4.150.0110.01416.87
7.4.140.0140.01117.14
7.4.130.0140.00916.38
7.4.120.0120.01416.38
7.4.110.0190.00916.51
7.4.100.0130.01116.52
7.4.90.0170.00716.48
7.4.80.0120.01317.42
7.4.70.0210.00816.41
7.4.60.0100.01216.38
7.4.50.0140.00616.40
7.4.40.0200.00616.39
7.4.30.0220.00616.48
7.4.20.0240.00616.39
7.4.10.0130.01015.86
7.4.00.0140.00815.67
7.3.330.0050.00313.18
7.3.320.0110.00013.03
7.3.310.0040.00416.31
7.3.300.0070.00016.28
7.3.290.0050.00916.28
7.3.280.0170.00516.23
7.3.270.0140.01016.66
7.3.260.0170.00816.29
7.3.250.0170.00916.35
7.3.240.0140.01016.29
7.3.230.0190.00816.25
7.3.220.0190.00916.20
7.3.210.0180.00616.24
7.3.200.0140.01117.28
7.3.190.0150.01116.31
7.3.180.0170.00816.29
7.3.170.0160.00816.27
7.3.160.0190.00916.24
7.3.150.0180.01116.20
7.3.140.0150.01016.17
7.3.130.0190.00715.79
7.3.120.0140.01015.85
7.3.110.0160.01115.72
7.3.100.0200.00815.70
7.3.90.0170.01215.90
7.3.80.0170.00715.69
7.3.70.0160.00815.88
7.3.60.0130.01015.83
7.3.50.0210.00815.79
7.3.40.0120.01315.75
7.3.30.0170.00715.89
7.3.20.0160.00916.50
7.3.10.0220.00816.44
7.3.00.0240.00616.00
7.2.340.0190.01216.33
7.2.330.0230.00616.39
7.2.320.0200.00616.34
7.2.310.0140.01216.36
7.2.300.0210.00516.38
7.2.290.0130.01416.46
7.2.280.0200.01516.40
7.2.270.0210.01216.30
7.2.260.0150.01315.95
7.2.250.0150.01115.83
7.2.240.0180.01015.91
7.2.230.0190.00815.91
7.2.220.0200.00715.85
7.2.210.0170.00915.85
7.2.200.0140.01115.92
7.2.190.0140.01315.96
7.2.180.0170.00916.02
7.2.170.0120.01016.02
7.2.160.0160.01015.94
7.2.150.0530.00516.54
7.2.140.0180.00816.64
7.2.130.0160.00916.70
7.2.120.0110.01416.64
7.2.110.0190.00716.63
7.2.100.0230.00716.70
7.2.90.0170.00716.58
7.2.80.0160.00916.65
7.2.70.0170.00916.76
7.2.60.0140.00916.55
7.2.50.0160.01016.70
7.2.40.0200.00816.65
7.2.30.0160.00916.75
7.2.20.0120.01416.71
7.2.10.0160.01016.65
7.2.00.0180.01117.27
7.1.330.0180.00615.66
7.1.320.0180.00915.62
7.1.310.0590.00915.62
7.1.300.0120.01115.52
7.1.290.0140.01215.52
7.1.280.0150.01115.56
7.1.270.0150.01115.49
7.1.260.0170.00515.57
7.1.250.0150.00915.55
7.1.240.0180.00815.57
7.1.230.0180.00815.50
7.1.220.0150.00915.51
7.1.210.0150.00915.49
7.1.200.0150.00815.65
7.1.190.0140.01315.56
7.1.180.0160.01115.56
7.1.170.0170.00915.48
7.1.160.0150.01215.47
7.1.150.0140.01215.48
7.1.140.0130.01215.49
7.1.130.0190.00815.55
7.1.120.0420.01115.52
7.1.110.0130.01015.56
7.1.100.0120.00616.28
7.1.90.0390.00615.47
7.1.80.0120.00915.58
7.1.70.0120.00815.91
7.1.60.0190.01016.56
7.1.50.0150.00715.97
7.1.40.0160.00815.63
7.1.30.0180.00915.50
7.1.20.0130.00715.56
7.1.10.0160.00815.56
7.1.00.0150.02217.24
7.0.330.0150.01015.19
7.0.320.0180.00615.21
7.0.310.0110.00915.19
7.0.300.0130.00815.26
7.0.290.0170.00815.11
7.0.280.0170.00615.23
7.0.270.0120.01015.22
7.0.260.0250.01115.20
7.0.250.0160.00715.42
7.0.240.0140.00915.23
7.0.230.0170.00915.38
7.0.220.0200.00815.30
7.0.210.0130.00715.26
7.0.200.0310.00315.24
7.0.190.0140.00815.31
7.0.180.0170.00615.36
7.0.170.0170.00615.41
7.0.160.0230.00915.16
7.0.150.0180.00515.28
7.0.140.0100.02517.00
7.0.130.0140.00915.33
7.0.120.0180.00415.37
7.0.110.0130.01015.33
7.0.100.0160.01115.28
7.0.90.0150.00715.16
7.0.80.0110.00915.11
7.0.70.0110.01215.25
7.0.60.0150.02616.50
7.0.50.0120.01715.90
7.0.40.0090.02316.00
7.0.30.0210.01715.97
7.0.20.0150.01915.92
7.0.10.0180.02216.01
7.0.00.0130.01515.98
5.6.400.0120.00915.25
5.6.390.0130.00815.19
5.6.380.0090.01415.11
5.6.370.0160.01115.27
5.6.360.0150.00715.31
5.6.350.0110.01215.23
5.6.340.0180.00615.27
5.6.330.0080.01215.33
5.6.320.0120.01015.30
5.6.310.0110.00915.22
5.6.300.0180.00615.14
5.6.290.0150.00815.20
5.6.280.0130.00815.23
5.6.270.0130.00815.12
5.6.260.0120.01115.12
5.6.250.0080.01315.27
5.6.240.0130.01015.24
5.6.230.0160.00915.36
5.6.220.0090.01115.24
5.6.210.0150.02416.63
5.6.200.0130.02416.02
5.6.190.0130.02916.68
5.6.180.0180.01916.53
5.6.170.0180.01516.68
5.6.160.0120.01816.62
5.6.150.0120.02316.07
5.6.140.0120.01516.19
5.6.130.0150.01816.10
5.6.120.0110.01716.83
5.6.110.0100.02916.76
5.6.100.0120.02616.82
5.6.90.0100.02016.67
5.6.80.0080.01916.57
5.6.70.0130.01816.55
5.6.60.0130.01015.26
5.6.50.0120.00815.14
5.6.40.0140.00715.20
5.6.30.0120.00815.33
5.6.20.0160.01215.24
5.6.10.0150.00915.21
5.6.00.0080.01215.18
5.5.380.0130.01215.23
5.5.370.0140.00915.37
5.5.360.0140.00815.02
5.5.350.0200.01916.54
5.5.340.0100.02015.86
5.5.330.0130.02716.40
5.5.320.0100.02516.40
5.5.310.0200.02016.59
5.5.300.0120.01515.91
5.5.290.0110.02115.86
5.5.280.0140.02216.59
5.5.270.0130.02116.50
5.5.260.0160.02216.51
5.5.250.0120.01716.63
5.5.240.0130.02816.52
5.5.230.0140.00715.13
5.5.220.0140.00915.17
5.5.210.0120.01215.25
5.5.200.0150.00915.09
5.5.190.0160.00715.05
5.5.180.0120.00815.06
5.5.170.0150.00715.02
5.5.160.0170.01115.15
5.5.150.0130.00914.95
5.5.140.0140.01014.96
5.5.130.0080.01214.99
5.5.120.0140.00814.91
5.5.110.0140.01015.04
5.5.100.0120.01015.13
5.5.90.0100.01115.16
5.5.80.0140.00715.24
5.5.70.0150.00915.07
5.5.60.0120.01115.22
5.5.50.0140.00915.11
5.5.40.0130.01015.06
5.5.30.0110.01015.10
5.5.20.0140.00715.15
5.5.10.0120.00915.14
5.5.00.0130.01014.95
5.4.450.0100.02013.86
5.4.440.0310.02013.83
5.4.430.0110.01913.86
5.4.420.0260.02713.92
5.4.410.0110.01813.84
5.4.400.0150.02013.63
5.4.390.0130.02013.61
5.4.380.0260.01913.65
5.4.370.0390.02013.66
5.4.360.0420.01913.68
5.4.350.0390.02113.61
5.4.340.0420.02313.61
5.4.330.0140.00712.01
5.4.320.0420.01613.55
5.4.310.0370.02213.64
5.4.300.0450.02013.64
5.4.290.0410.01713.61
5.4.280.0350.02013.64
5.4.270.0420.01713.62
5.4.260.0380.02013.62
5.4.250.0370.02013.59
5.4.240.0380.01713.58
5.4.230.0410.01813.55
5.4.220.0420.01913.50
5.4.210.0440.02513.42
5.4.200.0400.01913.01
5.4.190.0430.01413.55
5.4.180.0390.01913.49
5.4.170.0410.01813.50
5.4.160.0390.01813.55
5.4.150.0380.01913.61
5.4.140.0400.01613.10
5.4.130.0370.01813.08
5.4.120.0360.01812.90
5.4.110.0400.01413.07
5.4.100.0430.01413.04
5.4.90.0390.02013.15
5.4.80.0450.01613.13
5.4.70.0360.01812.97
5.4.60.0430.01713.09
5.4.50.0440.01713.02
5.4.40.0390.02013.07
5.4.30.0440.01712.98
5.4.20.0340.01913.08
5.4.10.0390.01813.05
5.4.00.0330.01712.73

preferences:
64.27 ms | 401 KiB | 5 Q