3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 16; $y = 1; while ($y < $x) { $y = $y << 1; echo $y; }

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)
8.3.40.0070.00718.64
8.3.30.0100.00320.07
8.3.20.0030.00518.71
8.3.10.0050.00321.10
8.3.00.0070.00422.43
8.2.170.0070.01022.96
8.2.160.0090.00620.52
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.89
8.2.110.0060.00320.38
8.2.100.0090.00317.78
8.2.90.0090.00019.08
8.2.80.0000.00719.28
8.2.70.0030.00617.63
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0030.00618.16
8.2.30.0070.00019.40
8.2.20.0000.01017.53
8.2.10.0030.00517.80
8.2.00.0070.00017.75
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00022.61
8.1.230.0050.00520.99
8.1.220.0040.00418.77
8.1.210.0050.00318.88
8.1.200.0060.00317.22
8.1.190.0000.00817.55
8.1.180.0080.00018.10
8.1.170.0030.00618.66
8.1.160.0040.00418.73
8.1.150.0040.00418.54
8.1.140.0040.00417.27
8.1.130.0000.00717.83
8.1.120.0000.00717.47
8.1.110.0000.00717.40
8.1.100.0030.00317.23
8.1.90.0000.00717.31
8.1.80.0000.00717.36
8.1.70.0030.00517.39
8.1.60.0000.00817.64
8.1.50.0060.00317.52
8.1.40.0000.00717.53
8.1.30.0040.00417.54
8.1.20.0000.00817.64
8.1.10.0070.00017.38
8.1.00.0030.00617.38
8.0.300.0030.00320.04
8.0.290.0000.00717.17
8.0.280.0070.00018.48
8.0.270.0030.00317.27
8.0.260.0030.00316.88
8.0.250.0070.00016.98
8.0.240.0080.00016.95
8.0.230.0030.00316.93
8.0.220.0030.00316.74
8.0.210.0030.00316.87
8.0.200.0000.00616.78
8.0.190.0080.00016.82
8.0.180.0000.00716.81
8.0.170.0040.00416.80
8.0.160.0080.00016.89
8.0.150.0000.00716.68
8.0.140.0040.00416.70
8.0.130.0030.00313.26
8.0.120.0080.00016.72
8.0.110.0070.00016.86
8.0.100.0000.00716.84
8.0.90.0000.00716.70
8.0.80.0180.00316.81
8.0.70.0040.00416.64
8.0.60.0030.00516.69
8.0.50.0040.00416.74
8.0.30.0110.01217.12
8.0.20.0140.00917.40
8.0.10.0050.00316.92
8.0.00.0080.00916.69
7.4.330.0050.00016.77
7.4.320.0000.00616.43
7.4.300.0030.00316.39
7.4.290.0030.00316.44
7.4.280.0030.00316.54
7.4.270.0000.00616.45
7.4.260.0000.00513.11
7.4.250.0040.00416.50
7.4.240.0000.00716.42
7.4.230.0030.00316.42
7.4.220.0110.00816.57
7.4.210.0070.00716.51
7.4.200.0030.00316.61
7.4.190.0000.00716.54
7.4.160.0100.01016.55
7.4.150.0120.01217.40
7.4.140.0110.00617.86
7.4.130.0110.00616.37
7.4.120.0050.01116.46
7.4.110.0070.01016.39
7.4.100.0190.00316.29
7.4.90.0150.00916.50
7.4.80.0080.00819.39
7.4.70.0150.00616.59
7.4.60.0060.01116.20
7.4.50.0040.00416.13
7.4.40.0060.01022.77
7.4.30.0100.00716.44
7.4.00.0090.00614.91
7.3.330.0060.00013.09
7.3.320.0050.00012.99
7.3.310.0030.00316.30
7.3.300.0050.00216.23
7.3.290.0070.00716.12
7.3.280.0060.00916.19
7.3.270.0090.00917.40
7.3.260.0160.01218.24
7.3.250.0110.00616.38
7.3.240.0100.00716.19
7.3.230.0080.00816.39
7.3.210.0080.00816.32
7.3.200.0070.01319.39
7.3.190.0070.01416.57
7.3.180.0030.01316.59
7.3.170.0130.00316.42
7.3.160.0090.00916.26
7.3.120.0000.01614.62
7.3.10.0040.00816.45
7.3.00.0050.00616.50
7.2.330.0040.01216.41
7.2.320.0030.01316.70
7.2.310.0100.01516.61
7.2.300.0200.00616.63
7.2.290.0070.01016.65
7.2.130.0110.00416.93
7.2.120.0090.00616.64
7.2.110.0080.00316.61
7.2.100.0060.00816.72
7.2.90.0050.00916.77
7.2.80.0010.01216.77
7.2.70.0040.00816.79
7.2.60.0080.00516.81
7.2.50.0040.01016.79
7.2.40.0020.01216.83
7.2.30.0080.00616.93
7.2.20.0050.00916.70
7.2.10.0020.01116.75
7.2.00.0040.00917.43
7.1.250.0060.00515.69
7.1.240.0130.00415.87
7.1.230.0030.00615.72
7.1.220.0000.01115.73
7.1.210.0030.00915.48
7.1.200.0070.00715.72
7.1.190.0030.01015.40
7.1.180.0000.00915.78
7.1.170.0040.01115.55
7.1.160.0070.00715.76
7.1.150.0030.00815.71
7.1.140.0030.01015.43
7.1.130.0060.00915.55
7.1.120.0090.00615.59
7.1.110.0000.01515.73
7.1.100.0050.00616.96
7.1.90.0080.00415.64
7.1.80.0130.00315.58
7.1.70.0050.01116.39
7.1.60.0050.01317.51
7.1.50.0100.00816.21
7.1.40.0000.01215.48
7.1.30.0040.00715.79
7.1.20.0030.01015.67
7.1.10.0110.00315.57
7.1.00.0050.03819.13
7.0.320.0090.00315.12
7.0.310.0040.01115.45
7.0.300.0090.00015.24
7.0.290.0000.01415.57
7.0.280.0100.00615.31
7.0.270.0030.00515.30
7.0.260.0090.00615.43
7.0.250.0050.00515.37
7.0.240.0040.00815.46
7.0.230.0070.00715.37
7.0.220.0100.00615.48
7.0.210.0000.01115.10
7.0.200.0050.00616.05
7.0.190.0000.01515.12
7.0.180.0070.00715.11
7.0.170.0000.01415.24
7.0.160.0040.00815.41
7.0.150.0040.00815.45
7.0.140.0080.03818.66
7.0.130.0070.00715.43
7.0.120.0040.00415.37
7.0.110.0060.00315.37
7.0.100.0070.02417.52
7.0.90.0070.04517.55
7.0.80.0070.02817.58
7.0.70.0050.04517.63
7.0.60.0050.04517.56
7.0.50.0070.04617.93
7.0.40.0050.04916.75
7.0.30.0070.04416.77
7.0.20.0060.04116.68
7.0.10.0050.04616.77
7.0.00.0030.02516.73
5.6.380.0030.00914.67
5.6.370.0140.00414.51
5.6.360.0090.00714.51
5.6.350.0130.00314.32
5.6.340.0090.00414.57
5.6.330.0160.00014.61
5.6.320.0110.00614.31
5.6.310.0060.00914.15
5.6.300.0040.01314.70
5.6.290.0100.00313.97
5.6.280.0100.03717.68
5.6.270.0090.00614.42
5.6.260.0110.00614.20
5.6.250.0140.03517.51
5.6.240.0110.04017.45
5.6.230.0150.03717.33
5.6.220.0100.03817.40
5.6.210.0090.04317.55
5.6.200.0100.04117.75
5.6.190.0150.04017.74
5.6.180.0090.03817.61
5.6.170.0130.03017.59
5.6.160.0080.04017.78
5.6.150.0110.04517.73
5.6.140.0110.04117.61
5.6.130.0020.03917.69
5.6.120.0090.02517.70
5.6.110.0050.02617.61
5.6.100.0110.03617.49
5.6.90.0090.04317.64
5.6.80.0140.03517.29
5.6.70.0110.04017.22
5.6.60.0050.04817.22
5.6.50.0120.04117.31
5.6.40.0070.03817.33
5.6.30.0050.04817.32
5.6.20.0160.03817.24
5.6.10.0100.02217.34
5.6.00.0090.04617.34
5.5.380.0120.02315.80
5.5.370.0100.04415.83
5.5.360.0100.03615.80
5.5.350.0090.02315.84
5.5.340.0080.04216.09
5.5.330.0090.03816.03
5.5.320.0090.04616.09
5.5.310.0130.04016.05
5.5.300.0090.03416.07
5.5.290.0040.03616.11
5.5.280.0050.04516.08
5.5.270.0030.03116.00
5.5.260.0140.03816.08
5.5.250.0130.03215.98
5.5.240.0090.04215.71
5.5.230.0070.04215.76
5.5.220.0140.02815.73
5.5.210.0060.04315.75
5.5.200.0030.02715.73
5.5.190.0140.03515.77
5.5.180.0090.03015.70
5.5.170.0120.00313.83
5.5.160.0040.04615.69
5.5.150.0110.03815.63
5.5.140.0120.04215.62
5.5.130.0070.03215.75
5.5.120.0090.04115.63
5.5.110.0060.04515.74
5.5.100.0070.04215.67
5.5.90.0080.04815.62
5.5.80.0110.03615.63
5.5.70.0070.02915.67
5.5.60.0060.03915.66
5.5.50.0090.03915.68
5.5.40.0070.03815.70
5.5.30.0060.04315.71
5.5.20.0100.03715.70
5.5.10.0070.04715.65
5.5.00.0110.03715.63
5.4.450.0100.04015.36
5.4.440.0050.03915.35
5.4.430.0080.03715.41
5.4.420.0090.02615.33
5.4.410.0070.04115.26
5.4.400.0070.04315.17
5.4.390.0050.04315.16
5.4.380.0100.03515.09
5.4.370.0040.04615.13
5.4.360.0030.04415.21
5.4.350.0110.03615.12
5.4.340.0070.02215.16
5.4.330.0100.00311.27
5.4.320.0080.01915.04
5.4.310.0110.03815.18
5.4.300.0070.03915.15
5.4.290.0100.03515.10
5.4.280.0100.04015.18
5.4.270.0110.02815.11
5.4.260.0070.04115.15
5.4.250.0020.04715.19
5.4.240.0060.02715.14
5.4.230.0090.03315.08
5.4.220.0080.03815.15
5.4.210.0140.03515.15
5.4.200.0080.03715.18
5.4.190.0050.03915.20
5.4.180.0030.04815.14
5.4.170.0080.04015.04
5.4.160.0130.03615.15
5.4.150.0150.03015.24
5.4.140.0070.03013.70
5.4.130.0100.02313.80
5.4.120.0080.03813.80
5.4.110.0070.03313.79
5.4.100.0110.03813.86
5.4.90.0110.03013.74
5.4.80.0040.04213.73
5.4.70.0140.03313.78
5.4.60.0040.04113.83
5.4.50.0090.04013.83
5.4.40.0060.04013.85
5.4.30.0040.02613.75
5.4.20.0080.03813.81
5.4.10.0070.02913.84
5.4.00.0110.03613.55
5.3.290.0080.04213.42
5.3.280.0080.04113.42
5.3.270.0140.03113.42
5.3.260.0080.03513.42
5.3.250.0090.03813.42
5.3.240.0110.03313.42
5.3.230.0110.03813.42
5.3.220.0080.02613.42
5.3.210.0070.04013.42
5.3.200.0100.03813.42
5.3.190.0030.03613.42
5.3.180.0070.04013.42
5.3.170.0120.03713.42
5.3.160.0110.03713.42
5.3.150.0030.04313.42
5.3.140.0120.03413.42
5.3.130.0130.03313.42
5.3.120.0100.04013.42
5.3.110.0060.04313.42
5.3.100.0100.04113.42
5.3.90.0060.04013.42
5.3.80.0050.04013.42
5.3.70.0070.02713.42
5.3.60.0060.03913.42
5.3.50.0120.03213.42
5.3.40.0040.04113.42
5.3.30.0060.03713.42
5.3.20.0120.03313.42
5.3.10.0040.04213.42
5.3.00.0060.02813.42
5.2.170.0050.03413.42
5.2.160.0090.03313.42
5.2.150.0070.03013.42
5.2.140.0090.03213.42
5.2.130.0030.03313.42
5.2.120.0070.03213.42
5.2.110.0070.03113.42
5.2.100.0070.03213.42
5.2.90.0080.02313.42
5.2.80.0050.02413.42
5.2.70.0020.02413.42
5.2.60.0070.02913.42
5.2.50.0060.03513.42
5.2.40.0070.03213.42
5.2.30.0080.03113.42
5.2.20.0060.03313.42
5.2.10.0080.03013.42
5.2.00.0090.02913.42
5.1.60.0050.02613.42
5.1.50.0050.02313.42
5.1.40.0040.03013.42
5.1.30.0060.02913.42
5.1.20.0040.02013.42
5.1.10.0030.03113.42
5.1.00.0070.02713.42
5.0.50.0030.02813.42
5.0.40.0060.02213.42
5.0.30.0040.03313.42
5.0.20.0030.02513.42
5.0.10.0050.02413.42
5.0.00.0040.03413.42
4.4.90.0020.01713.42
4.4.80.0040.01013.42
4.4.70.0020.01513.42
4.4.60.0020.02113.42
4.4.50.0040.02013.42
4.4.40.0030.02613.42
4.4.30.0000.02013.42
4.4.20.0080.01013.42
4.4.10.0060.01813.42
4.4.00.0060.02813.42
4.3.110.0030.01913.42
4.3.100.0040.01813.42
4.3.90.0030.01813.42
4.3.80.0030.02313.42
4.3.70.0030.01913.42
4.3.60.0020.02013.42
4.3.50.0040.01913.42
4.3.40.0000.03013.42
4.3.30.0040.01713.42
4.3.20.0030.01513.42
4.3.10.0030.02013.42
4.3.00.0030.01913.42

preferences:
42.93 ms | 400 KiB | 5 Q