3v4l.org

run code in 300+ PHP versions simultaneously
<?php $k=0.1+0.7; var_dump($k); //return 0.8 var_dump(0.8 == $k); //return false $res = (string)$k - json_encode($k); print($res."\n\n"); //return 1.1102230246252E-16 ini_set('precision', '-1'); $k=0.1+0.7; var_dump($k); //return 0.7999999999999999 var_dump(0.8 == $k); //return false $res = (string)$k - json_encode($k); print($res); //return 0

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)
8.3.60.0140.00718.55
8.3.50.0140.00316.50
8.3.40.0150.00018.97
8.3.30.0090.00618.68
8.3.20.0000.00818.79
8.3.10.0000.00721.76
8.3.00.0070.00021.73
8.2.180.0170.00718.42
8.2.170.0090.00622.96
8.2.160.0030.01019.28
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0030.00522.25
8.2.120.0040.00426.35
8.2.110.0030.00621.03
8.2.100.0060.00617.97
8.2.90.0000.00917.97
8.2.80.0040.00417.97
8.2.70.0080.00017.93
8.2.60.0040.00418.16
8.2.50.0050.00318.10
8.2.40.0030.00619.42
8.2.30.0040.00420.62
8.2.20.0070.00017.94
8.2.10.0040.00418.23
8.2.00.0040.00419.38
8.1.280.0060.00925.92
8.1.270.0040.01122.19
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0100.00317.39
8.1.230.0040.00720.89
8.1.220.0040.00417.76
8.1.210.0030.00618.88
8.1.200.0060.00317.35
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0020.00518.80
8.1.150.0030.00518.89
8.1.140.0030.00518.83
8.1.130.0000.00720.21
8.1.120.0000.00817.43
8.1.110.0050.00217.38
8.1.100.0030.00517.46
8.1.90.0070.00017.45
8.1.80.0020.00517.36
8.1.70.0030.00317.47
8.1.60.0030.00517.51
8.1.50.0000.00817.58
8.1.40.0040.00717.42
8.1.30.0040.00417.55
8.1.20.0030.00917.63
8.1.10.0000.00717.52
8.1.00.0050.00317.45
8.0.300.0040.00419.69
8.0.290.0060.00316.75
8.0.280.0050.00318.48
8.0.270.0030.00317.32
8.0.260.0000.00618.45
8.0.250.0070.00016.91
8.0.240.0040.00416.99
8.0.230.0000.00717.04
8.0.220.0040.00416.91
8.0.210.0040.00416.94
8.0.200.0000.00616.91
8.0.190.0000.00717.01
8.0.180.0040.00416.97
8.0.170.0090.00017.02
8.0.160.0040.00417.01
8.0.150.0030.00616.97
8.0.140.0040.00416.80
8.0.130.0000.00513.34
8.0.120.0000.01016.82
8.0.110.0050.00316.78
8.0.100.0000.00716.96
8.0.90.0000.00716.98
8.0.80.0050.01216.93
8.0.70.0040.00417.07
8.0.60.0040.00416.78
8.0.50.0050.00316.95
8.0.30.0120.00617.11
8.0.20.0110.01117.40
8.0.10.0040.00416.96
8.0.00.0100.00816.72
7.4.330.0040.00415.55
7.4.320.0030.00316.62
7.4.300.0030.00316.59
7.4.290.0040.00416.45
7.4.280.0080.00016.50
7.4.270.0060.00016.62
7.4.260.0020.00516.50
7.4.250.0020.00516.56
7.4.240.0030.00316.50
7.4.230.0030.00316.63
7.4.220.0000.00716.70
7.4.210.0050.01216.53
7.4.200.0040.00416.50
7.4.160.0100.00716.61
7.4.140.0120.01117.86
7.4.130.0080.00816.33
7.4.120.0100.00716.52
7.4.110.0030.01316.45
7.4.100.0080.01416.54
7.4.90.0140.00916.49
7.4.80.0170.00019.39
7.4.70.0140.00316.57
7.4.60.0040.01216.56
7.4.50.0110.00616.44
7.4.40.0080.00816.54
7.4.10.0140.00516.00
7.4.00.0060.01015.44
7.3.330.0020.00213.02
7.3.320.0000.00513.17
7.3.310.0000.00816.23
7.3.300.0030.00316.29
7.3.290.0000.00716.17
7.3.280.0070.01116.21
7.3.260.0150.00616.44
7.3.240.0120.00616.35
7.3.230.0110.00616.28
7.3.210.0150.00416.30
7.3.200.0090.00616.52
7.3.190.0110.00616.54
7.3.180.0140.00716.45
7.3.170.0090.00916.48
7.3.160.0080.00816.30
7.3.130.0070.01115.83
7.3.120.0080.00815.55
7.3.110.0110.00815.64
7.3.100.0060.01015.76
7.3.90.0080.00715.53
7.3.80.0040.00615.66
7.3.70.0060.00715.51
7.3.60.0060.01015.52
7.3.50.0030.01015.45
7.3.40.0060.00615.55
7.3.30.0090.00515.53
7.3.20.0080.00517.02
7.3.10.0050.00916.99
7.3.00.0150.00716.35
7.2.330.0100.00716.44
7.2.320.0170.00316.55
7.2.310.0090.00916.64
7.2.300.0100.00716.41
7.2.290.0140.00716.32
7.2.260.0100.00716.12
7.2.250.0030.01515.67
7.2.240.0050.01015.51
7.2.230.0040.01015.86
7.2.220.0060.00915.77
7.2.210.0050.00815.70
7.2.200.0050.01015.64
7.2.190.0030.01015.63
7.2.180.0020.01015.71
7.2.170.0030.01115.63
7.2.160.0040.00815.93
7.2.150.0080.00417.25
7.2.140.0100.00617.12
7.2.130.0150.00816.69
7.2.120.0180.00716.64
7.2.110.0120.00816.67
7.2.100.0130.01316.49
7.2.90.0080.00816.54
7.2.80.0150.00816.60
7.2.70.0130.00516.59
7.2.60.0140.00616.66
7.2.50.0120.01016.77
7.2.40.0470.00616.62
7.2.30.0120.00616.67
7.2.20.0170.00616.71
7.2.10.0160.00816.67
7.2.00.0130.01016.70
7.1.330.0040.00916.29
7.1.320.0050.01016.29
7.1.310.0070.00716.30
7.1.300.0070.00816.37
7.1.290.0060.00616.27
7.1.280.0030.01016.27
7.1.270.0060.00616.30
7.1.260.0040.01116.35
7.1.250.0150.00715.87
7.1.240.0220.00215.86
7.1.230.0180.00915.95
7.1.220.0120.00815.90
7.1.210.0080.00715.85
7.1.200.0190.00715.77
7.1.190.0140.00715.73
7.1.180.0120.00815.75
7.1.170.0060.01015.84
7.1.160.0160.00515.74
7.1.150.0130.00715.79
7.1.140.0140.00715.90
7.1.130.0120.00715.83
7.1.120.0140.00615.90
7.1.110.0100.00615.95
7.1.100.0140.00515.82
7.1.90.0150.00615.77
7.1.80.0140.00515.89
7.1.70.0130.00415.84
7.1.60.0160.00919.43
7.1.50.0160.00719.53
7.1.40.0170.00619.49
7.1.30.0160.01019.31
7.1.20.0130.01019.29
7.1.10.0110.00715.79
7.1.00.0090.00815.83
7.0.330.0160.00615.64
7.0.320.0060.00616.18
7.0.310.0050.01116.04
7.0.300.0070.00416.17
7.0.290.0060.00316.23
7.0.280.0060.00716.23
7.0.270.0060.00716.21
7.0.260.0020.00716.21
7.0.250.0040.00816.30
7.0.240.0040.00516.16
7.0.230.0080.00316.34
7.0.220.0080.00516.16
7.0.210.0040.00616.34
7.0.200.0020.01116.18
7.0.190.0070.00516.20
7.0.180.0020.00716.26
7.0.170.0050.00616.36
7.0.160.0050.01016.31
7.0.150.0070.00816.21
7.0.140.0040.00816.29
7.0.130.0040.00716.16
7.0.120.0040.00716.27
7.0.110.0060.00716.35
7.0.100.0040.00816.09
7.0.90.0030.00816.22
7.0.80.0050.00616.18
7.0.70.0050.00616.22
7.0.60.0010.01016.18
7.0.50.0080.00316.21
7.0.40.0080.00615.02
7.0.30.0040.00714.93
7.0.20.0030.00915.02
7.0.10.0030.00914.93
7.0.00.0010.00814.89
5.6.380.0130.00314.38

preferences:
57.3 ms | 400 KiB | 5 Q