3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'a'=>1, 'b'=>2, 'c'=>3 ); $b = array( 'b'=>3, 'c'=>4, 'd'=>5 ); foreach(array_keys($a + $b) as $key){ echo $key; }

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)
8.3.60.0080.00818.18
8.3.50.0150.00721.08
8.3.40.0140.00018.71
8.3.30.0140.00318.67
8.3.20.0040.00418.42
8.3.10.0000.00820.89
8.3.00.0000.00821.90
8.2.180.0060.01016.38
8.2.170.0070.01022.96
8.2.160.0130.00020.39
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00021.13
8.2.110.0080.00020.27
8.2.100.0040.00817.91
8.2.90.0070.00019.27
8.2.80.0080.00017.97
8.2.70.0050.00317.75
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0050.00318.22
8.2.30.0040.00421.13
8.2.20.0060.00317.66
8.2.10.0000.00817.80
8.2.00.0080.00017.67
8.1.280.0080.01125.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.38
8.1.230.0040.00820.63
8.1.220.0040.00418.77
8.1.210.0040.00418.80
8.1.200.0070.00317.23
8.1.190.0040.00417.41
8.1.180.0000.00818.10
8.1.170.0030.00718.53
8.1.160.0070.00018.88
8.1.150.0000.00718.63
8.1.140.0030.00517.44
8.1.130.0030.00317.82
8.1.120.0070.00017.47
8.1.110.0000.00717.30
8.1.100.0000.00717.48
8.1.90.0070.00017.40
8.1.80.0050.00317.45
8.1.70.0000.00717.42
8.1.60.0040.00417.60
8.1.50.0070.00017.46
8.1.40.0040.00417.39
8.1.30.0040.00417.49
8.1.20.0030.00517.64
8.1.10.0050.00317.56
8.1.00.0030.00717.43
8.0.300.0000.00719.98
8.0.290.0060.00317.18
8.0.280.0030.00318.42
8.0.270.0000.00717.23
8.0.260.0030.00316.81
8.0.250.0000.00716.97
8.0.240.0050.00316.94
8.0.230.0050.00216.98
8.0.220.0000.00716.93
8.0.210.0040.00416.95
8.0.200.0030.00316.89
8.0.190.0040.00417.00
8.0.180.0000.00716.89
8.0.170.0070.00016.87
8.0.160.0000.00716.86
8.0.150.0080.00016.93
8.0.140.0000.00716.86
8.0.130.0000.00613.37
8.0.120.0040.00416.93
8.0.110.0040.00416.77
8.0.100.0080.00016.78
8.0.90.0040.00416.92
8.0.80.0090.00617.00
8.0.70.0000.00716.90
8.0.60.0040.00416.92
8.0.50.0000.00916.75
8.0.30.0110.00817.19
8.0.20.0100.00817.40
8.0.10.0000.00817.02
8.0.00.0070.01016.92
7.4.330.0000.00514.84
7.4.320.0030.00316.59
7.4.300.0030.00316.40
7.4.290.0030.00316.51
7.4.280.0070.00016.57
7.4.270.0000.00716.60
7.4.260.0000.00613.32
7.4.250.0080.00016.53
7.4.240.0030.00316.54
7.4.230.0040.00216.44
7.4.220.0130.00916.40
7.4.210.0090.01016.57
7.4.200.0050.00316.43
7.4.190.0040.00416.64
7.4.160.0090.00616.48
7.4.150.0070.01017.40
7.4.140.0100.00917.86
7.4.130.0060.01016.45
7.4.120.0120.00516.51
7.4.110.0030.01316.57
7.4.100.0100.01316.31
7.4.90.0070.01716.37
7.4.80.0140.00419.39
7.4.70.0210.00316.31
7.4.60.0120.00616.36
7.4.50.0040.00416.66
7.4.40.0060.00922.77
7.4.30.0080.01116.44
7.4.10.0100.01116.40
7.4.00.0070.01215.63
7.3.330.0050.00013.24
7.3.320.0060.00013.16
7.3.310.0000.00816.30
7.3.300.0030.00316.30
7.3.290.0110.00816.22
7.3.280.0100.00716.26
7.3.270.0110.00617.40
7.3.260.0080.00918.24
7.3.250.0140.00416.38
7.3.240.0100.00616.22
7.3.230.0070.01016.50
7.3.210.0040.01516.32
7.3.200.0070.01119.39
7.3.190.0060.01516.21
7.3.180.0090.00616.20
7.3.170.0090.00616.55
7.3.160.0070.01016.27
7.3.130.0150.00316.20
7.3.120.0100.00815.53
7.3.110.0040.01116.50
7.3.100.0070.00716.03
7.3.90.0030.01316.46
7.3.80.0000.01816.18
7.3.70.0000.01816.24
7.3.60.0100.00616.25
7.3.50.0090.00616.27
7.3.40.0090.00616.36
7.3.30.0120.00316.31
7.3.20.0120.00318.29
7.3.10.0090.00517.31
7.3.00.0080.00617.38
7.2.330.0130.00316.61
7.2.320.0030.01816.79
7.2.310.0150.00316.78
7.2.300.0130.00316.57
7.2.290.0070.00916.39
7.2.260.0100.01016.46
7.2.250.0090.01216.39
7.2.240.0090.00916.37
7.2.230.0120.00416.34
7.2.220.0030.01616.27
7.2.210.0070.01416.41
7.2.200.0060.00916.56
7.2.190.0060.01016.45
7.2.180.0070.01116.50
7.2.170.0030.01316.35
7.2.160.0070.00316.45
7.2.150.0030.01218.20
7.2.140.0070.01018.20
7.2.130.0050.01017.58
7.2.120.0060.00717.58
7.2.110.0020.01017.43
7.2.100.0090.00617.25
7.2.90.0020.01017.36
7.2.80.0050.00817.27
7.2.70.0030.01117.31
7.2.60.0070.00817.22
7.2.50.0080.00717.08
7.2.40.0070.00517.52
7.2.30.0060.00717.39
7.2.20.0050.00817.18
7.2.10.0070.00717.33
7.2.00.0040.01017.89
7.1.330.0100.00717.27
7.1.320.0070.00417.32
7.1.310.0060.01017.34
7.1.300.0070.00717.27
7.1.290.0040.01117.34
7.1.280.0060.00917.22
7.1.270.0130.00317.38
7.1.260.0040.00717.39
7.1.250.0040.00716.38
7.1.240.0030.01017.14
7.1.230.0060.00916.52
7.1.220.0050.00916.52
7.1.210.0110.00316.56
7.1.200.0060.00916.18
7.1.190.0070.00916.51
7.1.180.0100.00716.59
7.1.170.0050.00516.50
7.1.160.0070.00516.54
7.1.150.0030.00916.57
7.1.140.0030.01016.50
7.1.130.0030.01016.54
7.1.120.0070.00516.62
7.1.110.0060.00616.52
7.1.100.0060.00817.08
7.1.90.0030.00816.31
7.1.80.0040.00816.56
7.1.70.0050.00716.73
7.1.60.0060.01017.51
7.1.50.0110.01122.58
7.1.40.0080.00716.56
7.1.30.0090.00616.69
7.1.20.0060.00816.63
7.1.10.0000.01316.48
7.1.00.0040.02518.47
7.0.330.0150.00016.78
7.0.320.0030.01417.03
7.0.310.0060.00716.16
7.0.300.0060.00816.19
7.0.290.0040.01116.24
7.0.280.0030.01016.01
7.0.270.0100.00315.97
7.0.260.0110.00316.02
7.0.250.0050.00516.06
7.0.240.0080.00616.25
7.0.230.0050.00515.98
7.0.220.0050.00316.12
7.0.210.0070.00616.18
7.0.200.0050.00516.33
7.0.190.0020.01416.19
7.0.180.0050.00916.26
7.0.170.0040.00616.22
7.0.160.0060.00815.96
7.0.150.0070.00716.17
7.0.140.0030.03218.11
7.0.130.0020.00816.18
7.0.120.0100.00216.12
7.0.110.0070.00716.20
7.0.100.0080.00516.17
7.0.90.0030.01116.12
7.0.80.0090.00716.12
7.0.70.0060.02018.00
7.0.60.0030.03317.96
7.0.50.0060.02918.18
7.0.40.0060.03016.16
7.0.30.0010.03516.18
7.0.20.0010.03016.22
7.0.10.0060.02816.16
7.0.00.0040.02716.06
5.6.400.0030.01216.09
5.6.390.0030.00715.68
5.6.380.0030.01014.90
5.6.370.0030.00915.10
5.6.360.0100.00515.00
5.6.350.0030.00815.16
5.6.340.0050.00715.19
5.6.330.0020.00915.04
5.6.320.0070.00815.06
5.6.310.0040.00615.03
5.6.300.0060.00614.89
5.6.290.0030.00915.18
5.6.280.0020.03116.99
5.6.270.0070.00514.99
5.6.260.0040.00615.03
5.6.250.0060.00615.02
5.6.240.0030.00915.01
5.6.230.0050.01015.17
5.6.220.0090.02516.97
5.6.210.0060.03016.77
5.6.200.0090.03117.04
5.6.190.0030.03517.11
5.6.180.0050.03217.02
5.6.170.0080.03117.03
5.6.160.0040.02217.03
5.6.150.0090.02517.02
5.6.140.0100.02417.13
5.6.130.0030.03417.12
5.6.120.0050.03317.05
5.6.110.0070.02316.96
5.6.100.0070.02817.02
5.6.90.0070.03017.04
5.6.80.0050.01816.75
5.6.70.0060.02816.74
5.6.60.0060.02916.85
5.6.50.0060.02516.84
5.6.40.0050.03316.83
5.6.30.0040.03216.71
5.6.20.0050.03316.81
5.6.10.0090.02816.68
5.6.00.0050.03016.81
5.5.380.0040.00914.26
5.5.370.0060.00414.23
5.5.360.0050.03116.35
5.5.350.0040.03116.28
5.5.340.0040.02816.42
5.5.330.0020.03016.46
5.5.320.0060.02416.46
5.5.310.0070.03316.46
5.5.300.0070.01716.47
5.5.290.0070.02616.43
5.5.280.0070.03116.42
5.5.270.0100.02816.48
5.5.260.0030.02816.42
5.5.250.0020.02316.38
5.5.240.0060.01716.20
5.5.230.0050.03016.25
5.5.220.0060.02816.15
5.5.210.0070.02516.15
5.5.200.0030.02716.20
5.5.190.0030.03016.20
5.5.180.0070.03016.20
5.5.170.0030.00714.96
5.5.160.0020.03316.15
5.5.150.0060.02616.20
5.5.140.0070.02916.17
5.5.130.0030.03416.22
5.5.120.0010.02816.14
5.5.110.0040.03016.20
5.5.100.0030.03516.22
5.5.90.0050.02716.18
5.5.80.0040.02716.07
5.5.70.0030.03116.17
5.5.60.0000.03316.12
5.5.50.0060.03016.13
5.5.40.0040.03016.16
5.5.30.0050.03216.21
5.5.20.0040.02916.14
5.5.10.0080.01916.15
5.5.00.0070.02416.10
5.4.450.0020.03014.88
5.4.440.0020.02814.93
5.4.430.0030.03214.93
5.4.420.0060.02614.90
5.4.410.0070.01414.73
5.4.400.0040.02714.77
5.4.390.0060.02914.79
5.4.380.0030.03314.70
5.4.370.0060.01414.74
5.4.360.0050.01714.70
5.4.350.0070.02114.77
5.4.340.0070.02914.69
5.4.330.0040.00812.67
5.4.320.0030.03014.79
5.4.310.0040.03014.74
5.4.300.0020.02914.73
5.4.290.0060.02714.88
5.4.280.0040.02814.80
5.4.270.0050.02014.76
5.4.260.0050.02514.79
5.4.250.0060.02914.81
5.4.240.0000.03314.65
5.4.230.0030.03214.81
5.4.220.0060.02714.78
5.4.210.0020.03214.69
5.4.200.0040.02514.88
5.4.190.0070.03014.70
5.4.180.0090.02614.76
5.4.170.0060.02614.83
5.4.160.0040.02714.64
5.4.150.0030.03014.75
5.4.140.0050.02513.90
5.4.130.0020.02513.87
5.4.120.0050.02813.82
5.4.110.0050.02613.92
5.4.100.0090.02313.93
5.4.90.0030.03113.89
5.4.80.0030.02913.81
5.4.70.0070.02413.89
5.4.60.0030.03013.81
5.4.50.0050.02413.88
5.4.40.0060.02813.84
5.4.30.0040.02613.84
5.4.20.0040.02513.85
5.4.10.0030.02713.91
5.4.00.0000.02913.64
5.3.290.0020.02713.53
5.3.280.0040.03113.43
5.3.270.0070.02613.42
5.3.260.0040.02913.47
5.3.250.0050.02213.46
5.3.240.0060.02913.43
5.3.230.0040.02813.39
5.3.220.0040.02313.40
5.3.210.0080.02713.39
5.3.200.0030.02713.35
5.3.190.0020.02413.41
5.3.180.0080.02413.45
5.3.170.0030.02513.41
5.3.160.0020.02913.46
5.3.150.0040.01913.39
5.3.140.0020.03113.45
5.3.130.0060.02713.44
5.3.120.0050.02213.34
5.3.110.0030.02913.41
5.3.100.0040.02413.22
5.3.90.0030.02613.33
5.3.80.0030.02413.19
5.3.70.0060.02013.18
5.3.60.0020.02913.25
5.3.50.0060.02413.16
5.3.40.0020.01613.21
5.3.30.0060.02113.23
5.3.20.0050.02013.21
5.3.10.0070.02713.02
5.3.00.0030.02613.04
5.2.170.0020.03712.05
5.2.160.0050.01412.05
5.2.150.0020.02712.05
5.2.140.0050.02812.05
5.2.130.0030.03312.05
5.2.120.0030.03112.05
5.2.110.0020.03312.05
5.2.100.0030.02812.05
5.2.90.0050.02812.05
5.2.80.0040.03412.05
5.2.70.0030.03512.05
5.2.60.0040.03412.05
5.2.50.0030.03512.05
5.2.40.0000.03812.05
5.2.30.0030.02412.05
5.2.20.0030.03112.05
5.2.10.0000.03212.05
5.2.00.0040.03012.05
5.1.60.0030.02312.05
5.1.50.0030.02812.05
5.1.40.0030.01612.05
5.1.30.0030.01512.05
5.1.20.0020.01512.05
5.1.10.0030.01312.05
5.1.00.0050.01212.05
5.0.50.0010.01112.05
5.0.40.0000.01312.05
5.0.30.0010.01612.05
5.0.20.0000.01212.05
5.0.10.0050.00812.05
5.0.00.0020.01512.05
4.4.90.0040.01712.05
4.4.80.0020.02012.05
4.4.70.0020.01812.05
4.4.60.0020.01512.05
4.4.50.0020.01912.05
4.4.40.0030.02712.05
4.4.30.0000.01812.05
4.4.20.0030.00712.05
4.4.10.0000.00912.05
4.4.00.0020.01212.05
4.3.110.0000.00812.05
4.3.100.0030.00712.05
4.3.90.0030.00712.05
4.3.80.0000.01512.05
4.3.70.0010.00812.05
4.3.60.0020.00712.05
4.3.50.0000.01012.05
4.3.40.0030.01712.05
4.3.30.0020.00712.05
4.3.20.0020.01012.05
4.3.10.0000.01012.05
4.3.00.0020.00812.05

preferences:
42.69 ms | 401 KiB | 5 Q