3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d3 = array('a'=>array('b'=>'c')); foreach($d3['a'] as &$v4){} unset($v4); foreach($d3 as $v4){} var_dump($d3);

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)
8.3.60.0150.00618.56
8.3.50.0110.00522.05
8.3.40.0110.00718.79
8.3.30.0110.00419.27
8.3.20.0000.00820.34
8.3.10.0000.00823.54
8.3.00.0070.00020.59
8.2.180.0140.00418.39
8.2.170.0110.00422.96
8.2.160.0030.01020.45
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0030.00622.12
8.2.100.0030.00720.54
8.2.90.0000.00819.17
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0000.00717.93
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0000.00718.24
8.2.20.0040.00417.71
8.2.10.0040.00418.09
8.2.00.0080.00017.84
8.1.280.0180.00325.92
8.1.270.0040.00423.82
8.1.260.0040.00426.35
8.1.250.0140.00028.09
8.1.240.0130.00322.06
8.1.230.0070.00419.00
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.36
8.1.190.0030.00517.13
8.1.180.0030.00518.10
8.1.170.0060.00318.51
8.1.160.0040.00421.93
8.1.150.0040.00418.55
8.1.140.0040.00417.50
8.1.130.0000.00717.83
8.1.120.0000.00817.36
8.1.110.0040.00417.46
8.1.100.0000.00717.32
8.1.90.0000.00717.45
8.1.80.0050.00317.41
8.1.70.0060.00017.33
8.1.60.0040.00417.55
8.1.50.0060.00317.41
8.1.40.0000.00817.55
8.1.30.0000.00817.54
8.1.20.0000.00817.69
8.1.10.0040.00417.46
8.1.00.0060.00317.48
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00718.34
8.0.270.0000.00717.16
8.0.260.0030.00317.16
8.0.250.0030.00316.91
8.0.240.0040.00416.80
8.0.230.0070.00016.84
8.0.220.0040.00416.91
8.0.210.0000.00716.85
8.0.200.0030.00316.91
8.0.190.0000.00816.92
8.0.180.0070.00016.80
8.0.170.0040.00416.80
8.0.160.0040.00316.95
8.0.150.0000.00816.83
8.0.140.0000.00716.76
8.0.130.0050.00513.40
8.0.120.0070.00016.84
8.0.110.0070.00016.89
8.0.100.0050.00316.75
8.0.90.0040.00416.74
8.0.80.0040.01816.77
8.0.70.0040.00416.78
8.0.60.0040.00416.88
8.0.50.0040.00416.76
8.0.30.0110.00716.89
8.0.20.0170.00417.40
8.0.10.0000.00716.89
8.0.00.0030.01416.75
7.4.330.0000.00515.08
7.4.320.0030.00316.40
7.4.300.0030.00316.51
7.4.290.0070.00316.60
7.4.280.0000.00616.40
7.4.270.0030.00316.59
7.4.260.0070.00316.57
7.4.250.0040.00416.39
7.4.240.0050.00216.50
7.4.230.0030.00316.59
7.4.220.0090.00916.64
7.4.210.0110.00316.60
7.4.200.0000.00616.33
7.4.160.0170.00316.48
7.4.150.0090.01517.40
7.4.140.0120.00817.86
7.4.130.0100.01016.53
7.4.120.0090.00816.47
7.4.110.0100.01316.55
7.4.100.0140.00716.36
7.4.90.0090.00916.61
7.4.80.0180.00319.39
7.4.70.0160.00216.39
7.4.60.0100.00716.50
7.4.50.0030.00316.69
7.4.40.0130.00316.54
7.4.30.0070.01116.51
7.4.00.0080.00814.89
7.3.330.0050.00013.13
7.3.320.0070.00013.19
7.3.310.0030.00316.38
7.3.300.0030.00316.31
7.3.290.0000.01416.31
7.3.280.0100.00616.32
7.3.270.0120.01217.40
7.3.260.0100.00816.41
7.3.250.0140.00516.45
7.3.240.0130.00616.43
7.3.230.0140.00316.39
7.3.210.0130.00616.35
7.3.200.0160.00319.39
7.3.190.0120.00916.38
7.3.180.0040.01116.29
7.3.170.0100.00616.33
7.3.160.0090.00616.47
7.3.120.0070.00714.88
7.3.10.0060.01316.67
7.3.00.0070.00816.54
7.2.330.0110.00816.53
7.2.320.0030.01516.64
7.2.310.0030.01416.34
7.2.300.0070.01616.65
7.2.290.0090.00916.73
7.2.130.0110.00516.68
7.2.120.0100.00516.69
7.2.110.0090.00516.69
7.2.100.0110.00516.65
7.2.90.0120.00616.86
7.2.80.0120.00317.03
7.2.70.0090.00616.66
7.2.60.0060.00816.83
7.2.50.0030.01216.56
7.2.40.0110.00516.84
7.2.30.0100.00316.71
7.2.20.0070.01116.79
7.2.10.0090.00716.73
7.2.00.0100.01017.57
7.1.250.0070.00415.67
7.1.240.0040.01115.73
7.1.230.0110.00315.77
7.1.220.0080.00415.53
7.1.210.0090.00415.68
7.1.200.0080.00615.66
7.1.190.0100.00715.66
7.1.180.0060.00915.48
7.1.170.0060.00815.86
7.1.160.0070.00915.71
7.1.150.0070.00915.81
7.1.140.0060.00915.58
7.1.130.0110.00515.63
7.1.120.0110.00315.75
7.1.110.0080.00815.66
7.1.100.0060.00816.48
7.1.90.0060.01115.64
7.1.80.0120.00415.75
7.1.70.0080.00916.24
7.1.60.0120.00716.98
7.1.50.0090.00916.13
7.1.40.0110.00815.61
7.1.30.0110.00515.56
7.1.20.0130.00515.84
7.1.10.0080.00815.57
7.1.00.0050.03317.94
7.0.330.0100.00715.33
7.0.320.0100.00515.25
7.0.310.0100.00515.23
7.0.300.0050.01215.51
7.0.290.0050.00715.20
7.0.280.0080.00715.18
7.0.270.0090.00715.32
7.0.260.0070.00715.46
7.0.250.0070.00615.38
7.0.240.0100.00515.27
7.0.230.0080.00615.35
7.0.220.0070.00715.29
7.0.210.0070.00815.28
7.0.200.0120.00215.85
7.0.190.0110.00315.45
7.0.180.0060.00614.99
7.0.170.0110.00715.43
7.0.160.0060.00815.44
7.0.150.0100.00715.24
7.0.140.0080.02917.51
7.0.130.0150.00315.13
7.0.120.0140.00315.29
7.0.110.0120.00515.26
7.0.100.0080.01916.85
7.0.90.0060.02216.88
7.0.80.0090.02016.81
7.0.70.0090.03216.86
7.0.60.0080.02916.78
7.0.50.0110.01917.04
7.0.40.0100.01815.54
7.0.30.0060.02115.50
7.0.20.0080.02115.54
7.0.10.0060.01815.68
7.0.00.0120.02915.57
5.6.380.0070.00814.41
5.6.370.0130.00414.55
5.6.360.0060.00813.97
5.6.350.0070.01113.99
5.6.340.0090.01114.50
5.6.330.0060.00714.16
5.6.320.0040.01214.38
5.6.310.0030.01614.41
5.6.300.0090.00814.12
5.6.290.0090.01014.15
5.6.280.0100.02616.45
5.6.270.0120.00614.24
5.6.260.0090.00714.21
5.6.250.0060.02116.26
5.6.240.0050.02316.38
5.6.230.0070.02616.25
5.6.220.0050.02116.38
5.6.210.0090.01716.18
5.6.200.0080.02216.44
5.6.190.0070.03316.50
5.6.180.0070.03316.52
5.6.170.0030.02216.48
5.6.160.0070.01816.43
5.6.150.0020.02616.52
5.6.140.0040.01716.47
5.6.130.0080.03216.44
5.6.120.0090.03316.45
5.6.110.0060.02216.40
5.6.100.0100.01716.54
5.6.90.0110.03016.45
5.6.80.0110.02416.24
5.6.70.0080.01816.19
5.6.60.0010.02516.16
5.6.50.0060.01816.30
5.6.40.0060.02816.24
5.6.30.0070.01916.19
5.6.20.0070.02416.05
5.6.10.0040.02716.22
5.6.00.0090.02816.33
5.5.380.0090.02414.13
5.5.370.0050.02514.18
5.5.360.0060.02014.15
5.5.350.0030.02214.08
5.5.340.0060.02614.20
5.5.330.0060.02814.35
5.5.320.0100.03014.32
5.5.310.0040.01914.39
5.5.300.0080.02114.23
5.5.290.0150.01314.27
5.5.280.0040.02514.34
5.5.270.0090.01614.18
5.5.260.0090.01414.39
5.5.250.0080.01514.24
5.5.240.0070.01814.06
5.5.230.0070.01414.11
5.5.220.0090.02414.18
5.5.210.0100.02514.00
5.5.200.0040.02814.05
5.5.190.0070.02514.08
5.5.180.0080.02613.99
5.5.170.0070.00311.10
5.5.160.0060.02014.07
5.5.150.0080.02514.10
5.5.140.0020.01614.04
5.5.130.0020.02013.93
5.5.120.0070.01714.02
5.5.110.0070.02113.99
5.5.100.0040.01613.99
5.5.90.0100.01214.03
5.5.80.0080.01514.05
5.5.70.0090.01614.11
5.5.60.0020.02913.99
5.5.50.0050.01913.89
5.5.40.0040.01714.05
5.5.30.0070.02214.05
5.5.20.0040.02114.10
5.5.10.0050.02114.03
5.5.00.0050.02513.92
5.4.450.0080.02013.85
5.4.440.0060.01713.89
5.4.430.0050.02813.72
5.4.420.0010.02213.79
5.4.410.0050.01513.70
5.4.400.0060.01413.65
5.4.390.0030.01713.55
5.4.380.0050.02613.56
5.4.370.0070.02113.74
5.4.360.0030.02113.59
5.4.350.0060.02313.56
5.4.340.0040.01713.67
5.4.330.0000.00911.01
5.4.320.0020.02113.56
5.4.310.0070.02013.68
5.4.300.0050.01813.56
5.4.290.0010.02413.62
5.4.280.0030.02713.72
5.4.270.0050.01713.65
5.4.260.0060.02113.70
5.4.250.0040.01413.67
5.4.240.0020.01813.73
5.4.230.0050.02113.46
5.4.220.0050.02613.49
5.4.210.0040.01713.63
5.4.200.0080.01413.69
5.4.190.0040.01713.60
5.4.180.0070.02413.65
5.4.170.0050.01713.63
5.4.160.0040.02113.63
5.4.150.0050.02413.64
5.4.140.0040.01812.89
5.4.130.0070.01512.79
5.4.120.0110.02612.65
5.4.110.0050.03012.75
5.4.100.0040.01712.80
5.4.90.0080.01112.73
5.4.80.0060.02412.69
5.4.70.0060.01212.70
5.4.60.0090.01412.75
5.4.50.0100.02012.60
5.4.40.0070.02212.73
5.4.30.0040.01812.91
5.4.20.0040.01712.75
5.4.10.0070.01512.63
5.4.00.0040.01712.51
5.3.290.0020.03012.21
5.3.280.0030.02212.13
5.3.270.0060.01612.27
5.3.260.0070.02112.15
5.3.250.0030.02512.23
5.3.240.0080.01312.22
5.3.230.0060.02512.21
5.3.220.0050.02512.18
5.3.210.0100.02612.15
5.3.200.0030.01712.17
5.3.190.0040.02612.12
5.3.180.0010.01912.18
5.3.170.0060.01512.24
5.3.160.0060.02312.21
5.3.150.0060.02112.21
5.3.140.0050.03312.20
5.3.130.0060.02612.20
5.3.120.0090.02812.16
5.3.110.0020.02012.18
5.3.100.0060.01812.19
5.3.90.0040.01812.17
5.3.80.0060.01512.16
5.3.70.0060.01512.11
5.3.60.0040.01612.14
5.3.50.0050.01912.13
5.3.40.0060.02612.18
5.3.30.0090.01412.19
5.3.20.0060.01612.19
5.3.10.0050.01812.12
5.3.00.0030.01712.12
5.2.170.0070.02311.82
5.2.160.0060.01911.88
5.2.150.0060.01511.82
5.2.140.0080.02011.92
5.2.130.0060.01111.86
5.2.120.0070.01811.89
5.2.110.0060.01911.87
5.2.100.0080.01911.84
5.2.90.0050.01611.83
5.2.80.0040.01611.84
5.2.70.0050.01411.79
5.2.60.0050.01011.83
5.2.50.0070.01411.86
5.2.40.0050.01511.84
5.2.30.0040.02311.73
5.2.20.0050.02311.79
5.2.10.0040.01811.78
5.2.00.0050.01611.72
5.1.60.0000.01511.72
5.1.50.0020.01711.72
5.1.40.0020.01411.72
5.1.30.0080.01811.72
5.1.20.0040.01111.72
5.1.10.0030.01211.72
5.1.00.0040.01611.72
5.0.50.0060.00711.72
5.0.40.0040.00911.72
5.0.30.0030.01111.72
5.0.20.0010.01011.72
5.0.10.0030.00811.72
5.0.00.0030.02111.72
4.4.90.0050.00911.72
4.4.80.0040.01011.72
4.4.70.0050.00411.72
4.4.60.0030.01011.72
4.4.50.0020.00711.72
4.4.40.0010.01111.72
4.4.30.0040.00611.72
4.4.20.0020.00911.72
4.4.10.0040.00611.72
4.4.00.0010.01911.72
4.3.110.0040.00511.72
4.3.100.0010.00811.72
4.3.90.0010.00811.72
4.3.80.0010.01011.72
4.3.70.0040.01111.72
4.3.60.0010.00911.72
4.3.50.0000.00911.72
4.3.40.0020.01111.72
4.3.30.0000.00911.72
4.3.20.0010.00911.72
4.3.10.0010.00911.72
4.3.00.0000.00811.72

preferences:
47.87 ms | 401 KiB | 5 Q