3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = (object)array('0' => 'b'); foreach($arr as $k => $v) { echo $k; }

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)
8.3.40.0030.01518.59
8.3.30.0100.00318.58
8.3.20.0040.00418.52
8.3.10.0040.00418.69
8.3.00.0090.00019.25
8.2.170.0140.00722.96
8.2.160.0080.00818.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00020.59
8.2.110.0070.00322.24
8.2.100.0060.00619.43
8.2.90.0040.00419.20
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0100.00017.80
8.2.50.0040.00417.93
8.2.40.0040.00419.88
8.2.30.0080.00017.77
8.2.20.0070.00317.67
8.2.10.0040.00417.78
8.2.00.0040.00417.73
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0050.00323.83
8.1.230.0030.00722.18
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0000.00817.23
8.1.190.0040.00417.13
8.1.180.0080.00018.10
8.1.170.0040.00417.62
8.1.160.0070.00019.06
8.1.150.0100.00018.63
8.1.140.0000.00717.40
8.1.130.0030.00317.81
8.1.120.0030.00517.47
8.1.110.0050.00317.32
8.1.100.0030.00417.36
8.1.90.0080.00017.41
8.1.80.0070.00017.37
8.1.70.0030.00317.38
8.1.60.0040.00417.57
8.1.50.0000.00717.30
8.1.40.0060.00317.54
8.1.30.0040.00417.64
8.1.20.0000.00817.55
8.1.10.0040.00417.53
8.1.00.0040.00417.49
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.57
8.0.270.0080.00017.22
8.0.260.0060.00016.87
8.0.250.0050.00216.84
8.0.240.0050.00216.94
8.0.230.0030.00316.96
8.0.220.0030.00316.94
8.0.210.0000.00716.91
8.0.200.0000.00616.88
8.0.190.0030.00517.00
8.0.180.0000.00717.00
8.0.170.0040.00416.86
8.0.160.0040.00417.02
8.0.150.0040.00416.90
8.0.140.0040.00416.96
8.0.130.0030.00313.39
8.0.120.0040.00416.92
8.0.110.0050.00317.01
8.0.100.0040.00416.82
8.0.90.0030.00316.82
8.0.80.0040.01416.89
8.0.70.0040.00416.91
8.0.60.0040.00416.89
8.0.50.0040.00417.00
8.0.30.0130.00617.00
8.0.20.0090.00917.05
8.0.10.0040.00417.11
8.0.00.0140.00516.66
7.4.330.0030.00312.99
7.4.320.0050.00216.44
7.4.300.0000.00716.50
7.4.290.0000.00716.63
7.4.280.0000.00716.48
7.4.270.0070.00016.43
7.4.260.0040.00413.22
7.4.250.0060.00316.49
7.4.240.0050.00216.45
7.4.230.0000.00716.66
7.4.220.0130.00716.49
7.4.210.0120.00316.65
7.4.200.0070.00016.69
7.4.190.0030.00316.65
7.4.160.0090.01216.54
7.4.150.0120.01416.29
7.4.140.0080.00816.49
7.4.130.0030.01616.53
7.4.120.0070.01016.46
7.4.110.0070.01016.47
7.4.100.0060.01116.38
7.4.90.0090.00916.50
7.4.80.0070.01019.39
7.4.70.0080.00816.66
7.4.60.0090.00616.33
7.4.50.0050.00716.28
7.4.40.0090.00616.07
7.4.30.0030.01316.31
7.4.00.0110.00615.02
7.3.330.0000.00613.00
7.3.320.0050.00313.13
7.3.310.0070.00016.36
7.3.300.0070.00016.25
7.3.290.0040.01316.36
7.3.280.0050.01016.29
7.3.270.0140.00316.40
7.3.260.0030.01316.28
7.3.250.0090.00816.33
7.3.240.0000.01616.40
7.3.230.0190.00316.45
7.3.210.0100.00716.53
7.3.200.0090.00916.16
7.3.190.0090.00616.53
7.3.180.0110.00416.52
7.3.170.0060.01016.52
7.3.160.0100.00616.36
7.3.120.0080.00614.74
7.3.110.0040.01514.66
7.3.100.0060.00614.73
7.3.90.0100.00714.54
7.3.80.0040.01114.83
7.3.70.0100.00714.81
7.3.60.0040.01114.77
7.3.50.0030.01014.74
7.3.40.0000.00914.64
7.3.30.0040.01114.96
7.3.20.0070.00716.34
7.3.10.0070.00316.77
7.3.00.0060.00716.64
7.2.330.0130.01016.54
7.2.320.0090.00916.64
7.2.310.0140.00416.67
7.2.300.0120.00416.38
7.2.290.0090.00916.57
7.2.250.0000.02014.87
7.2.240.0100.00714.91
7.2.230.0040.01514.81
7.2.220.0030.01414.85
7.2.210.0080.00814.88
7.2.200.0040.01115.14
7.2.190.0060.00914.71
7.2.180.0090.00614.75
7.2.170.0030.01215.05
7.2.130.0100.00616.83
7.2.120.0030.01416.80
7.2.110.0100.00716.93
7.2.100.0030.00917.04
7.2.90.0070.00816.68
7.2.80.0120.00616.99
7.2.70.0030.00917.03
7.2.60.0080.00617.05
7.2.50.0090.00616.64
7.2.40.0000.01316.84
7.2.30.0150.00417.04
7.2.20.0000.01416.95
7.2.10.0130.00316.87
7.2.00.0020.01018.24
7.1.330.0040.01115.76
7.1.320.0100.00315.68
7.1.310.0060.00315.93
7.1.300.0090.00015.72
7.1.290.0060.00615.73
7.1.280.0090.00315.88
7.1.270.0040.01115.55
7.1.260.0120.00315.66
7.1.250.0080.00215.55
7.1.240.0030.01015.68
7.1.230.0060.00615.82
7.1.220.0000.01415.77
7.1.210.0150.00715.75
7.1.200.0140.00015.73
7.1.190.0120.00315.88
7.1.180.0090.00615.76
7.1.170.0000.01215.69
7.1.160.0070.01015.88
7.1.150.0070.01015.73
7.1.140.0030.01015.89
7.1.130.0040.00815.82
7.1.120.0130.00315.60
7.1.110.0060.00615.81
7.1.100.0090.00316.82
7.1.90.0000.01115.80
7.1.80.0060.00915.60
7.1.70.0070.00516.45
7.1.60.0050.01017.46
7.1.50.0110.00516.07
7.1.40.0060.00615.66
7.1.30.0100.00615.59
7.1.20.0000.01615.75
7.1.10.0070.00315.88
7.1.00.0100.02519.06
7.0.330.0100.00615.21
7.0.320.0030.01015.30
7.0.310.0000.01215.18
7.0.300.0070.00815.22
7.0.290.0140.00415.08
7.0.280.0030.01515.20
7.0.270.0030.00815.19
7.0.260.0130.00315.16
7.0.250.0070.00715.47
7.0.240.0120.00315.31
7.0.230.0110.00415.25
7.0.220.0120.00015.10
7.0.210.0130.00315.17
7.0.200.0120.00915.89
7.0.190.0040.01515.32
7.0.180.0090.00315.36
7.0.170.0110.00415.49
7.0.160.0070.00315.09
7.0.150.0030.01015.31
7.0.140.0020.04418.64
7.0.130.0000.00715.38
7.0.120.0080.03818.65
7.0.110.0000.01315.50
7.0.100.0040.00715.23
7.0.90.0090.00615.41
7.0.80.0030.01415.30
7.0.70.0040.00415.32
7.0.60.0040.04617.69
7.0.50.0040.02616.57
7.0.40.0090.02516.60
7.0.30.0150.03016.66
7.0.20.0120.02416.63
7.0.10.0050.03316.59
7.0.00.0030.02816.61
5.6.380.0100.00314.19
5.6.370.0080.00414.14
5.6.360.0100.00313.80
5.6.350.0000.00913.71
5.6.340.0060.00914.10
5.6.330.0140.00313.98
5.6.320.0080.00414.19
5.6.310.0070.00714.43
5.6.300.0030.00513.93
5.6.290.0070.00714.46
5.6.280.0060.04017.52
5.6.270.0070.00314.44
5.6.260.0070.00714.09
5.6.250.0070.00714.49
5.6.240.0070.00314.34
5.6.230.0040.01114.28
5.6.220.0000.01514.40
5.6.210.0100.04017.35
5.6.200.0140.03516.19
5.6.190.0100.03817.59
5.6.180.0390.03517.52
5.6.170.0220.04117.29
5.6.160.0110.04017.43
5.6.150.0070.03516.28
5.6.140.0070.04516.21
5.6.130.0120.04016.19
5.6.120.0070.03517.70
5.6.110.0050.02017.56
5.6.100.0040.03717.62
5.6.90.0090.04217.68
5.6.80.0030.04817.42
5.6.70.0070.00414.46
5.6.60.0090.00614.33
5.6.50.0000.01214.20
5.6.40.0040.00814.21
5.6.30.0070.00714.13
5.6.20.0030.00914.16
5.6.10.0130.00014.09
5.6.00.0130.00013.90
5.5.380.0000.01310.94
5.5.370.0040.00410.93
5.5.360.0080.00311.10
5.5.350.0150.04215.65
5.5.340.0090.03214.52
5.5.330.0070.03715.62
5.5.320.1630.02515.62
5.5.310.0150.03115.58
5.5.300.0030.02314.45
5.5.290.0050.03314.43
5.5.280.0090.04115.99
5.5.270.0070.02215.93
5.5.260.0080.04015.88
5.5.250.0160.03615.75
5.5.240.0050.04215.55
5.5.230.0000.01211.01
5.5.220.0060.00610.92
5.5.210.0080.00410.77
5.5.200.0080.00410.88
5.5.190.0030.00610.96
5.5.180.0000.01310.70
5.5.170.0030.01011.01
5.5.160.0030.00711.08
5.5.150.0030.00711.15
5.5.140.0000.01010.45
5.5.130.0060.00610.97
5.5.120.0040.00411.11
5.5.110.0070.00310.95
5.5.100.0030.00710.95
5.5.90.0080.00410.84
5.5.80.0030.00910.68
5.5.70.0030.00711.01
5.5.60.0060.00610.98
5.5.50.0000.01111.04
5.5.40.0030.00911.05
5.5.30.0030.00611.06
5.5.20.0100.00010.59
5.5.10.0000.01010.96
5.5.00.0080.00410.77
5.4.450.0030.04314.83
5.4.440.0040.04115.24
5.4.430.0030.04515.26
5.4.420.0060.03715.21
5.4.410.0040.03314.90
5.4.400.0090.03714.82
5.4.390.0080.03114.95
5.4.380.0050.02514.80
5.4.370.0080.02014.77
5.4.360.0050.02414.68
5.4.350.0030.04114.85
5.4.340.0060.04014.86
5.4.330.0030.01010.71
5.4.320.0030.03214.79
5.4.310.0070.03314.63
5.4.300.0050.02714.82
5.4.290.0030.04314.85
5.4.280.0080.04214.81
5.4.270.0050.04314.80
5.4.260.0030.02314.86
5.4.250.0080.03714.95
5.4.240.0080.03714.69
5.4.230.0060.04114.87
5.4.220.0010.02514.69
5.4.210.0070.01814.87
5.4.200.0060.02414.76
5.4.190.0070.02014.88
5.4.180.0070.02014.90
5.4.170.0030.02314.85
5.4.160.0030.02114.84
5.4.150.0050.02414.75
5.4.140.0030.02813.48
5.4.130.0050.02113.67
5.4.120.0020.02513.57
5.4.110.0070.03913.64
5.4.100.0050.02013.48
5.4.90.0050.02213.57
5.4.80.0020.02013.58
5.4.70.0060.01913.64
5.4.60.0050.02513.47
5.4.50.0020.02013.41
5.4.40.0040.02013.44
5.4.30.0000.02313.52
5.4.20.0000.02313.56
5.4.10.0060.02113.50
5.4.00.0030.02213.09
5.3.290.0060.03612.56
5.3.280.0070.02112.38
5.3.270.0060.02312.34
5.3.260.0040.02012.42
5.3.250.0020.02112.46
5.3.240.0030.02912.38
5.3.230.0000.02312.48
5.3.220.0060.02112.37
5.3.210.0040.04112.36
5.3.200.0050.02012.45
5.3.190.0060.01812.45
5.3.180.0050.02212.46
5.3.170.0050.02012.53
5.3.160.0050.02112.46
5.3.150.0000.02812.50
5.3.140.0030.02012.46
5.3.130.0020.02112.37
5.3.120.0050.01812.29
5.3.110.0000.02512.38
5.3.100.0030.02012.19
5.3.90.0050.01812.16
5.3.80.0070.02012.12
5.3.70.0030.02012.12
5.3.60.0000.02112.16
5.3.50.0080.01312.06
5.3.40.0020.02112.01
5.3.30.0030.02112.10
5.3.20.0030.01912.01
5.3.10.0000.02312.00
5.3.00.0020.02111.99
5.2.170.0050.01610.69
5.2.160.0030.01610.70
5.2.150.0000.02010.65
5.2.140.0070.01310.64
5.2.130.0050.01510.63
5.2.120.0020.01910.65
5.2.110.0000.01710.62
5.2.100.0050.01510.67
5.2.90.0020.01610.64
5.2.80.0060.01310.60
5.2.70.0050.01510.62
5.2.60.0070.03010.64
5.2.50.0030.01810.56
5.2.40.0040.01810.59
5.2.30.0040.02310.69
5.2.20.0000.02310.51
5.2.10.0030.03410.55
5.2.00.0040.03010.38
5.1.60.0070.02710.07
5.1.50.0060.02510.14
5.1.40.0050.02710.09
5.1.30.0000.02610.27
5.1.20.0020.03410.29
5.1.10.0080.02410.16
5.1.00.0020.02510.15
5.0.50.0030.0129.39
5.0.40.0030.0209.30
5.0.30.0050.0329.24
5.0.20.0000.0169.25
5.0.10.0030.0239.19
5.0.00.0000.0209.15
4.4.90.0000.0119.02
4.4.80.0030.0089.02
4.4.70.0030.0189.02
4.4.60.0030.0189.02
4.4.50.0030.0179.02
4.4.40.0000.0229.02
4.4.30.0020.0159.02
4.4.20.0030.0149.02
4.4.10.0050.0079.02
4.4.00.0030.0279.02
4.3.110.0020.0139.02
4.3.100.0010.0139.02
4.3.90.0030.0169.02
4.3.80.0000.0179.02
4.3.70.0020.0089.02
4.3.60.0000.0239.02
4.3.50.0000.0219.02
4.3.40.0020.0139.02
4.3.30.0000.0139.02
4.3.20.0010.0189.02
4.3.10.0060.0149.02
4.3.00.0020.0139.02

preferences:
53.96 ms | 400 KiB | 5 Q