3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = false; for ($i = 0; $i < 1000000; $i++) { $bool = $var == null; }

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)
8.3.60.0100.02016.61
8.3.50.0120.02517.98
8.3.40.0110.01818.48
8.3.30.0090.01918.96
8.3.20.0040.01120.21
8.3.10.0060.00923.60
8.3.00.0060.00919.25
8.2.180.0100.02018.04
8.2.170.0130.01622.96
8.2.160.0060.02220.52
8.2.150.0060.00924.18
8.2.140.0080.00824.66
8.2.130.0100.00626.16
8.2.120.0060.00922.25
8.2.110.0040.01922.10
8.2.100.0030.02017.91
8.2.90.0070.01319.13
8.2.80.0000.01918.04
8.2.70.0100.01017.38
8.2.60.0030.01517.93
8.2.50.0030.01518.07
8.2.40.0060.01218.22
8.2.30.0000.01818.10
8.2.20.0000.01817.75
8.2.10.0030.01518.19
8.2.00.0090.02117.74
8.1.270.0030.01322.09
8.1.260.0040.01126.35
8.1.250.0000.01628.09
8.1.240.0030.02023.87
8.1.230.0040.01819.06
8.1.220.0040.01517.79
8.1.210.0000.01818.77
8.1.200.0000.02017.36
8.1.190.0060.01217.39
8.1.180.0060.01918.10
8.1.170.0030.01518.61
8.1.160.0030.01421.92
8.1.150.0060.01218.59
8.1.140.0040.01517.48
8.1.130.0000.01717.73
8.1.120.0030.01417.36
8.1.110.0000.01717.45
8.1.100.0060.01317.38
8.1.90.0000.01817.47
8.1.80.0030.01517.35
8.1.70.0030.01317.39
8.1.60.0000.02317.47
8.1.50.0000.02517.43
8.1.40.0070.01717.57
8.1.30.0030.02017.62
8.1.20.0070.01717.56
8.1.10.0070.01717.35
8.1.00.0000.02317.35
8.0.300.0000.02019.15
8.0.290.0030.01417.30
8.0.280.0040.01518.36
8.0.270.0030.01417.24
8.0.260.0040.01517.13
8.0.250.0030.01316.96
8.0.240.0040.01216.97
8.0.230.0030.01416.96
8.0.220.0060.01216.95
8.0.210.0030.01316.75
8.0.200.0070.01116.86
8.0.190.0040.01916.96
8.0.180.0070.01616.95
8.0.170.0060.01616.91
8.0.160.0030.01916.96
8.0.150.0070.01616.85
8.0.140.0040.01916.85
8.0.130.0030.01813.30
8.0.120.0040.01916.82
8.0.110.0000.02216.81
8.0.100.0030.01916.79
8.0.90.0030.02016.86
8.0.80.0030.03116.80
8.0.70.0040.01916.85
8.0.60.0030.02016.72
8.0.50.0030.01916.82
8.0.30.0080.03217.17
8.0.20.0150.02417.40
8.0.10.0000.02416.81
8.0.00.0100.02916.67
7.4.330.0000.02015.00
7.4.320.0030.01616.54
7.4.300.0030.01616.48
7.4.290.0030.02616.39
7.4.280.0030.02716.58
7.4.270.0000.02916.49
7.4.260.0000.03016.43
7.4.250.0030.02616.31
7.4.240.0060.02416.61
7.4.230.0030.02516.53
7.4.220.0140.03416.46
7.4.210.0050.03616.58
7.4.200.0030.02516.45
7.4.190.0030.02616.74
7.4.160.0110.03016.57
7.4.150.0130.03217.40
7.4.140.0120.03817.86
7.4.130.0110.03316.40
7.4.120.0110.03316.60
7.4.110.0060.04716.59
7.4.100.0120.03516.59
7.4.90.0100.03416.43
7.4.80.0120.04819.39
7.4.70.0100.04716.29
7.4.60.0060.03916.29
7.4.50.0070.03316.33
7.4.40.0140.02722.77
7.4.30.0090.03416.25
7.4.00.0030.03214.73
7.3.330.0060.02213.10
7.3.320.0030.02212.97
7.3.310.0030.02416.05
7.3.300.0090.01916.21
7.3.290.0090.03616.25
7.3.280.0060.04116.27
7.3.270.0170.02717.40
7.3.260.0030.03916.28
7.3.250.0130.04916.35
7.3.240.0090.03716.18
7.3.230.0090.03416.39
7.3.210.0100.03716.31
7.3.200.0100.04019.39
7.3.190.0100.05216.39
7.3.180.0100.03116.50
7.3.170.0130.04716.37
7.3.160.0040.03916.28
7.3.120.0100.02714.55
7.3.10.0000.03316.63
7.3.00.0030.02816.52
7.2.330.0130.03016.39
7.2.320.0070.04316.56
7.2.310.0110.04916.35
7.2.300.0120.03516.54
7.2.290.0090.03416.66
7.2.130.0070.02717.07
7.2.120.0120.01816.56
7.2.110.0000.03616.94
7.2.100.0090.02816.90
7.2.90.0070.02816.88
7.2.80.0070.02816.75
7.2.70.0100.02616.42
7.2.60.0050.02816.78
7.2.50.0120.02216.72
7.2.40.0070.02716.87
7.2.30.0040.02516.94
7.2.20.0100.02416.73
7.2.10.0120.02416.73
7.2.00.0080.03017.92
7.1.250.0030.05915.86
7.1.200.0030.03515.59
7.1.100.0030.03217.65
7.1.70.0030.04717.11
7.1.60.0130.02019.33
7.1.50.0070.04616.56
7.1.00.0070.09722.57
7.0.200.0030.02316.67
7.0.140.0030.10322.09
7.0.100.0270.10020.06
7.0.90.0230.08019.95
7.0.80.0430.08019.99
7.0.70.0270.10319.85
7.0.60.0400.08319.85
7.0.50.0370.10020.30
7.0.40.0000.11020.13
7.0.30.0070.11320.14
7.0.20.0030.07720.15
7.0.10.0100.10720.10
7.0.00.0000.11020.09
5.6.280.0070.16020.86
5.6.250.0130.12020.68
5.6.240.0130.07720.70
5.6.230.0070.08320.62
5.6.220.0170.13020.64
5.6.210.0170.10720.45
5.6.200.0100.12021.00
5.6.190.0100.13021.08
5.6.180.0130.12721.02
5.6.170.0100.11721.10
5.6.160.0100.13720.94
5.6.150.0070.12720.94
5.6.140.0100.09021.16
5.6.130.0100.13021.16
5.6.120.0070.08721.16
5.6.110.0000.08020.93
5.6.100.0130.11021.06
5.6.90.0070.08320.99
5.6.80.0000.07720.44
5.6.70.0030.08720.45
5.6.60.0100.07020.50
5.6.50.0130.06020.39
5.6.40.0070.07020.32
5.6.30.0070.07020.52
5.6.20.0100.10020.30
5.6.10.0070.07320.30
5.6.00.0100.06720.41
5.5.380.0170.11020.55
5.5.370.0100.13020.35
5.5.360.0170.12320.33
5.5.350.0070.13720.45
5.5.340.0130.13020.82
5.5.330.0070.13320.75
5.5.320.0070.10320.84
5.5.310.0170.13020.91
5.5.300.0030.12020.70
5.5.290.0030.11320.89
5.5.280.0100.07020.87
5.5.270.0100.09020.79
5.5.260.0030.07720.87
5.5.250.0000.07720.66
5.5.240.0200.10320.30
5.5.230.0030.08020.20
5.5.220.0100.10720.22
5.5.210.0170.12020.24
5.5.200.0100.10720.27
5.5.190.0000.07720.07
5.5.180.0030.08020.25
5.5.160.0030.06320.20
5.5.150.0100.06720.14
5.5.140.0170.06320.21
5.5.130.0030.08720.14
5.5.120.0070.07020.22
5.5.110.0100.06720.13
5.5.100.0000.07720.07
5.5.90.0030.06320.15
5.5.80.0070.14020.00
5.5.70.0070.09720.14
5.5.60.0170.11720.09
5.5.50.0100.10720.03
5.5.40.0100.11320.02
5.5.30.0070.13320.12
5.5.20.0100.11719.92
5.5.10.0070.12020.07
5.5.00.0130.11720.04
5.4.450.0070.07019.37
5.4.440.0000.07719.34
5.4.430.0030.07319.34
5.4.420.0070.10319.39
5.4.410.0070.07719.00
5.4.400.0030.08719.15
5.4.390.0030.11019.23
5.4.380.0130.09719.05
5.4.370.0030.08018.92
5.4.360.0030.08318.90
5.4.350.0030.07019.09
5.4.340.0030.07718.96
5.4.320.0000.08019.14
5.4.310.0000.07718.98
5.4.300.0030.07019.07
5.4.290.0070.07018.98
5.4.280.0000.07019.16
5.4.270.0070.11019.04
5.4.260.0030.07719.11
5.4.250.0070.07319.22
5.4.240.0070.07018.96
5.4.230.0100.08319.09
5.4.220.0030.10319.06
5.4.210.0230.10319.00
5.4.200.0100.12019.02
5.4.190.0070.08019.06
5.4.180.0270.10019.11
5.4.170.0070.12719.23
5.4.160.0030.12019.05
5.4.150.0070.13318.99
5.4.140.0170.11016.28
5.4.130.0070.12716.27
5.4.120.0070.11716.27
5.4.110.0030.12716.36
5.4.100.0000.10716.22
5.4.90.0070.12316.40
5.4.80.0070.12016.22
5.4.70.0030.11716.34
5.4.60.0070.12016.18
5.4.50.0070.12016.41
5.4.40.0030.07716.38
5.4.30.0070.11016.42
5.4.20.0100.11716.23
5.4.10.0100.11016.41
5.4.00.0100.12315.81
5.3.290.0200.11014.52
5.3.280.0030.06714.54
5.3.270.0130.12014.51
5.3.260.0030.13314.54
5.3.250.0070.13314.59
5.3.240.0070.13314.51
5.3.230.0070.13014.59
5.3.220.0070.11714.54
5.3.210.0070.13714.42
5.3.200.0000.12014.50
5.3.190.0130.11314.57
5.3.180.0030.09314.52
5.3.170.0030.13014.41
5.3.160.0130.12314.54
5.3.150.0070.12714.50
5.3.140.0070.11714.52
5.3.130.0100.12714.55
5.3.120.0130.13314.54
5.3.110.0130.13714.53
5.3.100.0070.12314.02
5.3.90.0100.09314.00
5.3.80.0030.14713.77
5.3.70.0070.14714.00
5.3.60.0070.13313.97
5.3.50.0030.08713.93
5.3.40.0070.10713.88
5.3.30.0130.13313.86
5.3.20.0030.13713.68
5.3.10.0100.13713.63
5.3.00.0070.14013.61
5.2.170.0100.13011.89
5.2.160.0030.10011.89
5.2.150.0100.14011.89
5.2.140.0070.15711.89
5.2.130.0070.16011.89
5.2.120.0100.15311.89
5.2.110.0100.13711.89
5.2.100.0030.10311.89
5.2.90.0000.15711.89
5.2.80.0030.14011.89
5.2.70.0070.12711.89
5.2.60.0030.13311.89
5.2.50.0000.16011.89
5.2.40.0000.14011.89
5.2.30.0130.14011.89
5.2.20.0070.14311.89
5.2.10.0070.13011.89
5.2.00.0030.10311.89
5.1.60.0030.14711.89
5.1.50.0000.15711.89
5.1.40.0030.14311.89
5.1.30.0070.15311.89
5.1.20.0070.13711.89
5.1.10.0170.12711.89
5.1.00.0070.18011.89
5.0.50.0000.23011.89
5.0.40.0200.22011.89
5.0.30.0030.27011.89
5.0.20.0030.24011.89
5.0.10.0000.23011.89
5.0.00.0100.31711.89
4.4.90.0030.23711.89
4.4.80.0030.22011.89
4.4.70.0030.25311.89
4.4.60.0030.21011.89
4.4.50.0000.23711.89
4.4.40.0000.21011.89
4.4.30.0030.21711.89
4.4.20.0000.19311.89
4.4.10.0070.24011.89
4.4.00.0030.23711.89
4.3.110.0000.24711.89
4.3.100.0000.23311.89
4.3.90.0000.23711.89
4.3.80.0030.24311.89
4.3.70.0000.17711.89
4.3.60.0000.26711.89
4.3.50.0030.25311.89
4.3.40.0030.26011.89
4.3.30.0000.25011.89
4.3.20.0000.20311.89
4.3.10.0000.22711.89
4.3.00.0000.24311.89

preferences:
52.27 ms | 400 KiB | 5 Q