3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 1; while ($x < 32) { echo $x; $x *= 2; }

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)
8.3.60.0070.00718.43
8.3.50.0080.01221.27
8.3.40.0070.01118.58
8.3.30.0100.00720.08
8.3.20.0040.00420.18
8.3.10.0000.00721.09
8.3.00.0040.00422.45
8.2.180.0100.00716.50
8.2.170.0070.00722.96
8.2.160.0000.01422.30
8.2.150.0080.00024.18
8.2.140.0100.00624.66
8.2.130.0070.00026.16
8.2.120.0080.00020.63
8.2.110.0090.00019.33
8.2.100.0070.00417.78
8.2.90.0080.00019.14
8.2.80.0040.00418.05
8.2.70.0080.00017.59
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0030.00718.25
8.2.30.0000.00719.38
8.2.20.0070.00017.58
8.2.10.0030.00617.73
8.2.00.0040.00417.55
8.1.280.0110.00425.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00823.96
8.1.230.0070.00420.92
8.1.220.0040.00418.77
8.1.210.0080.00020.88
8.1.200.0060.00317.10
8.1.190.0000.00717.53
8.1.180.0040.00418.10
8.1.170.0040.00418.48
8.1.160.0040.00418.75
8.1.150.0040.00418.58
8.1.140.0080.00017.43
8.1.130.0030.00317.67
8.1.120.0030.00317.44
8.1.110.0040.00417.30
8.1.100.0070.00017.30
8.1.90.0050.00217.30
8.1.80.0040.00417.36
8.1.70.0000.00717.36
8.1.60.0030.00617.50
8.1.50.0050.00217.46
8.1.40.0050.00217.46
8.1.30.0000.00817.45
8.1.20.0040.00417.60
8.1.10.0000.00717.55
8.1.00.0000.00717.36
8.0.300.0060.00319.88
8.0.290.0020.00517.16
8.0.280.0070.00018.34
8.0.270.0000.00717.16
8.0.260.0070.00016.82
8.0.250.0000.00616.91
8.0.240.0030.00516.83
8.0.230.0030.00316.87
8.0.220.0040.00416.84
8.0.210.0040.00416.83
8.0.200.0000.00716.83
8.0.190.0040.00416.95
8.0.180.0070.00016.88
8.0.170.0000.00716.74
8.0.160.0000.00716.71
8.0.150.0030.00516.65
8.0.140.0040.00416.77
8.0.130.0000.00613.21
8.0.120.0000.00716.67
8.0.110.0040.00416.82
8.0.100.0050.00316.74
8.0.90.0050.00216.74
8.0.80.0030.01216.73
8.0.70.0040.00416.66
8.0.60.0040.00416.77
8.0.50.0040.00416.89
8.0.30.0110.01117.14
8.0.20.0100.01017.40
8.0.10.0000.00816.97
8.0.00.0130.00716.90
7.4.330.0050.00016.86
7.4.320.0000.00716.42
7.4.300.0030.00316.45
7.4.290.0030.00316.36
7.4.280.0030.00316.42
7.4.270.0000.00716.46
7.4.260.0060.00013.25
7.4.250.0040.00416.40
7.4.240.0030.00416.48
7.4.230.0040.00416.55
7.4.220.0000.01816.33
7.4.210.0080.00716.52
7.4.200.0030.00316.51
7.4.190.0000.00716.34
7.4.160.0160.00616.39
7.4.150.0130.00917.40
7.4.140.0090.00917.86
7.4.130.0120.00416.49
7.4.120.0100.00816.41
7.4.110.0100.00716.64
7.4.100.0100.00716.42
7.4.90.0080.00816.47
7.4.80.0040.01319.39
7.4.70.0140.00316.49
7.4.60.0030.01416.38
7.4.50.0030.00516.17
7.4.40.0070.01022.77
7.4.30.0050.01116.41
7.4.00.0100.00614.96
7.3.330.0000.00513.03
7.3.320.0000.00513.08
7.3.310.0040.00416.31
7.3.300.0070.00016.21
7.3.290.0150.00416.13
7.3.280.0040.01116.22
7.3.270.0120.00617.40
7.3.260.0090.00918.24
7.3.250.0110.00616.31
7.3.240.0160.00416.16
7.3.230.0100.00616.51
7.3.210.0150.00316.32
7.3.200.0090.00919.39
7.3.190.0090.01216.19
7.3.180.0170.00316.49
7.3.170.0070.01016.27
7.3.160.0100.00616.16
7.3.120.0060.00914.68
7.2.330.0060.01516.58
7.2.320.0100.00916.60
7.2.310.0080.01416.63
7.2.300.0060.01016.53
7.2.290.0100.00916.52
7.1.70.0030.00517.02
7.1.60.0180.00719.17
7.1.50.0000.01716.85
7.1.00.0000.06722.44
7.0.200.0080.00514.75
7.0.140.0000.07722.08
7.0.70.5000.04319.93
7.0.60.0000.04021.79
7.0.50.0000.05322.20
7.0.40.0000.05720.00
7.0.30.0070.05019.96
7.0.20.0030.06020.11
7.0.10.0070.08020.18
7.0.00.0130.08020.03
5.6.280.0070.07020.98
5.6.210.0070.03020.70
5.6.200.0000.05321.14
5.6.190.0000.07021.14
5.6.180.0070.07721.05
5.6.170.0000.06020.99
5.6.160.0000.06021.03
5.6.150.0100.08021.11
5.6.140.0070.08020.98
5.6.130.0070.08721.00
5.6.120.0070.07321.11
5.6.110.0100.08021.03
5.6.100.0030.08020.88
5.6.90.0030.04720.94
5.6.80.0100.07720.40
5.6.70.0030.07720.49
5.6.60.0070.06720.38
5.6.50.0130.07320.42
5.6.40.0000.08020.43
5.6.30.0130.05020.45
5.6.20.0070.07320.38
5.6.10.0030.06320.23
5.6.00.0030.08020.45
5.5.350.0000.04720.39
5.5.340.0000.04020.65
5.5.330.0000.08320.89
5.5.320.0070.07720.88
5.5.310.0100.07320.79
5.5.300.0130.08020.86
5.5.290.0100.07320.86
5.5.280.0070.08020.68
5.5.270.0100.07720.87
5.5.260.0030.05320.72
5.5.250.0030.06020.49
5.5.240.0030.08020.31
5.5.230.0000.07720.11
5.5.220.0070.07020.21
5.5.210.0030.07720.03
5.5.200.0000.08320.22
5.5.190.0030.08720.03
5.5.180.0100.08020.21
5.5.160.0030.07720.09
5.5.150.0030.08320.07
5.5.140.0100.07020.11
5.5.130.0000.08320.22
5.5.120.0000.08020.22
5.5.110.0000.08020.31
5.5.100.0030.08020.04
5.5.90.0100.07320.10
5.5.80.0000.06720.06
5.5.70.0070.08019.96
5.5.60.0070.07320.08
5.5.50.0070.06020.02
5.5.40.0030.07320.20
5.5.30.0000.05720.08
5.5.20.0070.07719.98
5.5.10.0030.07720.07
5.5.00.0070.04320.07
5.4.450.0070.07319.34
5.4.440.0100.08019.27
5.4.430.0000.08019.52
5.4.420.0030.07719.27
5.4.410.0170.06019.20
5.4.400.0030.06718.91
5.4.390.0070.07018.85
5.4.380.0070.06718.85
5.4.370.0070.06019.17
5.4.360.0100.05719.00
5.4.350.0100.06718.99
5.4.340.0000.08318.93
5.4.320.0030.06019.01
5.4.310.0030.07319.20
5.4.300.0000.08319.00
5.4.290.0070.07019.00
5.4.280.0100.07319.19
5.4.270.0070.07018.86
5.4.260.0030.07319.10
5.4.250.0070.06019.09
5.4.240.0030.06318.98
5.4.230.0030.07718.94
5.4.220.0030.07318.98
5.4.210.0000.08018.84
5.4.200.0030.07719.16
5.4.190.0070.07319.00
5.4.180.0070.07719.16
5.4.170.0000.04018.91
5.4.160.0030.03718.82
5.4.150.0030.05318.95
5.4.140.0030.03716.33
5.4.130.0030.05016.32
5.4.120.0130.06716.35
5.4.110.0000.07716.30
5.4.100.0030.05716.18
5.4.90.0070.07016.30
5.4.80.0000.07716.29
5.4.70.0000.07316.26
5.4.60.0070.07016.46
5.4.50.0000.07316.27
5.4.40.0100.07016.20
5.4.30.0030.07316.37
5.4.20.0100.06716.38
5.4.10.0030.07016.37
5.4.00.0030.06015.80
5.3.290.0030.07714.50
5.3.280.0100.06714.51
5.3.270.0070.04314.55
5.3.260.0000.07014.53
5.3.250.0000.04014.58
5.3.240.0130.02314.54
5.3.230.0030.04714.53
5.3.220.0000.04714.54
5.3.210.0030.07314.48
5.3.200.0030.07714.50
5.3.190.0030.08014.51
5.3.180.0100.07014.49
5.3.170.0000.08314.51
5.3.160.0030.07714.47
5.3.150.0100.06314.47
5.3.140.0000.07714.34
5.3.130.0100.07014.33
5.3.120.0070.06714.44
5.3.110.0000.07714.45
5.3.100.0030.06714.00
5.3.90.0070.07013.99
5.3.80.0100.07013.85
5.3.70.0070.07014.00
5.3.60.0000.07714.00
5.3.50.0030.06713.70
5.3.40.0000.07713.86
5.3.30.0000.07013.83
5.3.20.0070.06313.66
5.3.10.0030.06713.61
5.3.00.0070.07313.41
5.2.170.0030.06011.05
5.2.160.0000.06010.93
5.2.150.0030.05711.12
5.2.140.0030.06311.12
5.2.130.0030.06011.04
5.2.120.0030.06010.88
5.2.110.0000.06311.12
5.2.100.0030.06311.01
5.2.90.0000.06010.89
5.2.80.0000.06311.04
5.2.70.0070.06011.01
5.2.60.0030.06010.82
5.2.50.0030.06311.00
5.2.40.0000.06010.98
5.2.30.0000.06310.95
5.2.20.0030.03310.79
5.2.10.0070.05310.75
5.2.00.0070.05710.79
5.1.60.0000.05310.07
5.1.50.0030.04710.03
5.1.40.0030.0509.85
5.1.30.0070.05010.39
5.1.20.0030.05010.39
5.1.10.0030.04710.08
5.1.00.0000.06010.09
5.0.50.0000.0478.97
5.0.40.0100.0408.97
5.0.30.0070.0638.97
5.0.20.0000.0378.97
5.0.10.0030.0438.97
5.0.00.0070.0608.97
4.4.90.0000.0378.97
4.4.80.0000.0378.97
4.4.70.0030.0338.97
4.4.60.0030.0338.97
4.4.50.0030.0308.97
4.4.40.0000.0508.97
4.4.30.0030.0338.97
4.4.20.0000.0378.97
4.4.10.0000.0378.97
4.4.00.0000.0578.97
4.3.110.0030.0378.97
4.3.100.0000.0338.97
4.3.90.0000.0338.97
4.3.80.0070.0478.97
4.3.70.0000.0338.97
4.3.60.0030.0338.97
4.3.50.0000.0338.97
4.3.40.0030.0478.97
4.3.30.0030.0378.97
4.3.20.0030.0378.97
4.3.10.0000.0308.97
4.3.00.0030.0308.97

preferences:
36.76 ms | 401 KiB | 5 Q