3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i=0; $i<1000000; ++$i) { $a=''; }

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)
8.3.60.0120.00918.30
8.3.50.0160.01321.97
8.3.40.0090.01218.81
8.3.30.0130.01318.82
8.3.20.0000.01120.09
8.3.10.0080.00421.96
8.3.00.0030.00922.44
8.2.180.0130.01616.38
8.2.170.0090.01222.96
8.2.160.0030.01720.35
8.2.150.0070.00424.18
8.2.140.0080.00424.66
8.2.130.0090.00326.16
8.2.120.0040.00819.36
8.2.110.0070.01122.10
8.2.100.0030.01319.30
8.2.90.0000.01219.09
8.2.80.0030.01019.54
8.2.70.0060.00617.38
8.2.60.0030.00917.68
8.2.50.0030.00918.07
8.2.40.0030.01018.22
8.2.30.0000.01218.03
8.2.20.0030.00917.46
8.2.10.0080.00417.67
8.2.00.0070.00717.51
8.1.280.0000.03025.92
8.1.270.0060.00622.18
8.1.260.0070.00426.35
8.1.250.0040.00828.09
8.1.240.0090.00923.86
8.1.230.0080.00818.98
8.1.220.0040.00817.74
8.1.210.0070.00718.77
8.1.200.0000.01317.22
8.1.190.0030.01017.30
8.1.180.0060.00618.10
8.1.170.0060.00618.56
8.1.160.0000.01221.93
8.1.150.0000.01218.68
8.1.140.0000.01317.38
8.1.130.0060.00617.81
8.1.120.0040.00817.40
8.1.110.0000.01217.44
8.1.100.0060.00617.37
8.1.90.0080.00417.45
8.1.80.0000.01217.39
8.1.70.0000.01117.34
8.1.60.0040.01517.39
8.1.50.0060.01217.40
8.1.40.0000.01817.48
8.1.30.0000.01817.50
8.1.20.0070.01117.48
8.1.10.0000.01817.30
8.1.00.0070.01117.29
8.0.300.0080.00418.77
8.0.290.0060.00917.04
8.0.280.0030.00918.43
8.0.270.0030.00817.23
8.0.260.0000.01216.76
8.0.250.0000.01116.92
8.0.240.0030.00916.82
8.0.230.0040.00716.79
8.0.220.0000.01116.82
8.0.210.0000.01216.84
8.0.200.0060.00816.92
8.0.190.0030.01516.92
8.0.180.0090.01516.68
8.0.170.0040.01516.81
8.0.160.0040.01516.77
8.0.150.0000.01716.80
8.0.140.0000.01816.82
8.0.130.0030.01313.29
8.0.120.0040.01516.81
8.0.110.0060.01216.73
8.0.100.0040.01516.88
8.0.90.0030.01416.84
8.0.80.0030.02016.75
8.0.70.0070.01016.77
8.0.60.0000.01716.84
8.0.50.0030.01416.69
8.0.30.0090.01816.99
8.0.20.0110.02117.40
8.0.10.0060.01216.92
8.0.00.0090.01716.64
7.4.330.0000.00915.09
7.4.320.0040.00716.52
7.4.300.0030.00716.34
7.4.290.0030.01616.45
7.4.280.0030.01416.37
7.4.270.0030.01416.52
7.4.260.0000.01716.41
7.4.250.0030.01516.42
7.4.240.0010.01616.55
7.4.230.0000.01816.53
7.4.220.0040.02216.61
7.4.210.0050.01916.52
7.4.200.0060.01116.32
7.4.190.0000.01816.60
7.4.160.0100.01416.58
7.4.150.0110.01517.40
7.4.140.0100.01617.86
7.4.130.0130.01216.39
7.4.120.0120.01416.47
7.4.110.0130.01316.26
7.4.100.0110.01516.29
7.4.90.0130.01316.51
7.4.80.0120.01519.39
7.4.70.0070.01616.23
7.4.60.0090.01616.39
7.4.50.0070.01616.27
7.4.40.0100.01622.77
7.4.30.0120.01216.52
7.4.00.0070.01814.68
7.3.330.0090.00913.18
7.3.320.0000.01613.13
7.3.310.0060.01216.11
7.3.300.0000.01716.20
7.3.290.0120.02216.28
7.3.280.0060.02716.31
7.3.270.0190.00917.40
7.3.260.0130.02816.32
7.3.250.0080.01916.25
7.3.240.0070.02116.31
7.3.230.0120.01516.49
7.3.210.0100.01916.42
7.3.200.0200.01019.39
7.3.190.0100.02016.14
7.3.180.0160.02316.44
7.3.170.0100.01716.52
7.3.160.0070.02016.26
7.3.120.0070.02014.69
7.3.10.0030.01516.67
7.3.00.0000.02516.46
7.2.330.0130.01616.66
7.2.320.0030.03116.45
7.2.310.0140.02716.56
7.2.300.0100.02016.64
7.2.290.0100.01716.52
7.2.130.0030.02416.79
7.2.120.0070.02116.88
7.2.110.0060.01916.66
7.2.100.0030.02016.75
7.2.90.0030.01716.71
7.2.80.0030.02116.57
7.2.70.0070.01716.99
7.2.60.0020.01916.71
7.2.50.0100.01416.72
7.2.40.0090.01616.63
7.2.30.0100.01016.69
7.2.20.0040.02116.73
7.2.10.0090.01816.78
7.2.00.0040.01917.86
7.1.250.0060.03315.88
7.1.200.0000.01915.80
7.1.100.0030.01717.64
7.1.70.0000.01616.73
7.1.60.0100.02919.82
7.1.50.0160.02916.91
7.1.00.0070.08722.33
7.0.200.0030.01416.70
7.0.140.0000.09022.21
7.0.60.0030.10320.02
7.0.50.0030.09317.66
7.0.40.0000.05320.04
7.0.30.0300.06320.16
7.0.20.0300.08720.02
7.0.10.0100.05320.20
7.0.00.0100.08320.09
5.6.210.0100.11720.50
5.6.200.0170.10718.19
5.6.190.0070.11320.48
5.6.180.0330.07020.57
5.6.170.0230.07720.48
5.6.160.0100.07320.54
5.6.150.0030.07318.09
5.6.140.0000.13318.18
5.6.130.0000.12018.17
5.6.120.0030.10020.89
5.6.110.0100.08020.98
5.6.100.0100.11021.03
5.6.90.0030.11321.04
5.6.80.0030.13720.39
5.5.350.0230.12020.37
5.5.340.0000.08017.98
5.5.330.0100.06720.13
5.5.320.0330.07320.31
5.5.310.0270.08020.13
5.5.300.0100.11717.91
5.5.290.0000.07017.92
5.5.280.0100.12720.95
5.5.270.0130.12320.93
5.5.260.0130.11020.77
5.5.250.0130.08020.75
5.5.240.0070.11020.25
5.4.450.0800.14019.54
5.4.440.0730.10319.48
5.4.430.0070.10019.49
5.4.420.0070.14719.25
5.4.410.0030.11018.91
5.4.400.0070.10018.68
5.4.390.0030.09718.77
5.4.380.0070.10718.71
5.4.370.0100.08018.56
5.4.360.0170.06718.70
5.4.350.0090.08011.97
5.4.340.0080.07311.97
5.4.320.0060.06912.45
5.4.310.0080.07012.45
5.4.300.0090.07012.45
5.4.290.0060.07912.45
5.4.280.0050.06512.35
5.4.270.0170.13718.70
5.4.260.0130.15318.66
5.4.250.0100.14018.91
5.4.240.0070.10018.78
5.4.230.0200.12318.91
5.4.220.0200.14019.02
5.4.210.0100.09718.88
5.4.200.0070.13319.01
5.4.190.0170.10319.02
5.4.180.0100.14018.98
5.4.170.0170.11718.64
5.4.160.0200.13318.78
5.4.150.0130.12718.76
5.4.140.0070.10016.28
5.4.130.0070.10016.27
5.4.120.0130.12716.28
5.4.110.0170.12016.50
5.4.100.0170.12716.29
5.4.90.0170.12716.45
5.4.80.0130.09016.33
5.4.70.0100.13016.34
5.4.60.0070.11316.27
5.4.50.0030.09316.24
5.4.40.0070.12716.32
5.4.30.0130.12016.20
5.4.20.0000.14016.31
5.4.10.0170.12316.20
5.4.00.0170.09315.69
5.3.290.0060.09712.80
5.3.280.0130.18014.44
5.3.270.0130.18014.61
5.3.260.0100.18714.46
5.3.250.0070.17314.49
5.3.240.0100.15014.60
5.3.230.0200.17714.59
5.3.220.0170.22714.40
5.3.210.0230.17714.26
5.3.200.0130.14014.41
5.3.190.0130.12314.57
5.3.180.0030.14314.57
5.3.170.0130.14014.71
5.3.160.0130.19014.41
5.3.150.0270.18014.57
5.3.140.0170.11314.55
5.3.130.0030.16014.70
5.3.120.0100.20314.55
5.3.110.0100.17014.41
5.3.100.0230.17313.80
5.3.90.0070.18013.87
5.3.80.0070.16314.04
5.3.70.0100.14714.06
5.3.60.0030.19714.00
5.3.50.0170.19014.09
5.3.40.0230.18013.64
5.3.30.0170.18013.67
5.3.20.0130.14013.62
5.3.10.0170.13313.65
5.3.00.0200.17013.57
5.2.170.0070.21711.14
5.2.160.0130.21311.16
5.2.150.0100.14711.14
5.2.140.0030.16010.97
5.2.130.0170.22011.11
5.2.120.0200.17711.11
5.2.110.0070.13711.09
5.2.100.0030.16011.11
5.2.90.0100.15711.10
5.2.80.0170.16011.09
5.2.70.0130.22011.02
5.2.60.0100.23010.81
5.2.50.0130.14710.93
5.2.40.0100.14310.99
5.2.30.0230.15310.97
5.2.20.0170.20310.88
5.2.10.0030.21310.87
5.2.00.0170.21010.88
5.1.60.0070.13710.18
5.1.50.0070.17710.03
5.1.40.0130.21010.06
5.1.30.0030.21310.54
5.1.20.0170.12710.43
5.1.10.0030.14710.13
5.1.00.0070.1679.98
5.0.50.0070.3478.52
5.0.40.0100.2938.25
5.0.30.0100.3077.98
5.0.20.0170.3138.10
5.0.10.0070.3038.21
5.0.00.0100.2678.14
4.4.90.0030.2376.30
4.4.80.0030.2676.30
4.4.70.0100.3406.30
4.4.60.0030.2676.30
4.4.50.0070.2776.30
4.4.40.0030.3576.30
4.4.30.0100.2276.30
4.4.20.0000.2776.30
4.4.10.0130.3536.30
4.4.00.0130.3736.30
4.3.110.0100.3676.30
4.3.100.0000.3936.30
4.3.90.0070.2776.30
4.3.80.0070.2436.30
4.3.70.0030.2536.30
4.3.60.0100.3336.30
4.3.50.0070.2606.30
4.3.40.0100.2836.30
4.3.30.0070.3236.30
4.3.20.0000.3506.30
4.3.10.0000.2406.30
4.3.00.0100.2136.88

preferences:
41.06 ms | 401 KiB | 5 Q