3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('precision', 30); $time = $_SERVER['REQUEST_TIME_FLOAT']; var_dump(ini_get('precision')); var_dump($time); $time_string = addslashes($time); var_dump($time_string); $recast_time = (float) $time_string; var_dump($recast_time); var_dump($time === $recast_time);

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)
8.3.60.0120.00618.27
8.3.50.0150.00017.98
8.3.40.0110.01118.84
8.3.30.0110.00418.59
8.3.20.0070.00320.73
8.3.10.0050.00321.75
8.3.00.0030.00620.64
8.2.180.0140.00718.36
8.2.170.0180.00422.96
8.2.160.0140.00422.21
8.2.150.0040.00424.18
8.2.140.0080.01124.66
8.2.130.0000.00726.16
8.2.120.0050.00326.16
8.2.110.0060.00320.96
8.2.100.0110.00017.78
8.2.90.0000.00918.03
8.2.80.0050.00317.97
8.2.70.0000.00817.93
8.2.60.0030.00718.16
8.2.50.0000.00719.27
8.2.40.0030.00621.19
8.2.30.0040.00419.22
8.2.20.0000.01018.11
8.2.10.0000.00818.83
8.2.00.0040.00419.27
8.1.280.0040.01225.92
8.1.270.0110.00722.62
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00322.28
8.1.230.0040.00722.68
8.1.220.0000.00817.79
8.1.210.0050.00318.77
8.1.200.0080.00017.48
8.1.190.0040.00417.23
8.1.180.0040.00418.97
8.1.170.0080.00418.28
8.1.160.0020.00519.00
8.1.150.0000.00718.92
8.1.140.0000.00718.91
8.1.130.0030.00320.17
8.1.120.0070.00017.48
8.1.110.0000.00717.45
8.1.100.0040.00417.38
8.1.90.0000.01017.47
8.1.80.0050.00217.35
8.1.70.0000.00717.39
8.1.60.0080.00017.52
8.1.50.0000.00817.40
8.1.40.0020.00517.56
8.1.30.0080.00017.64
8.1.20.0080.00017.51
8.1.10.0040.00417.49
8.1.00.0070.00017.41
8.0.300.0070.00019.64
8.0.290.0050.00216.63
8.0.280.0000.00718.44
8.0.270.0070.00017.38
8.0.260.0030.00320.05
8.0.250.0040.00416.99
8.0.240.0030.00616.90
8.0.230.0030.00316.95
8.0.220.0000.00716.93
8.0.210.0000.00916.85
8.0.200.0030.00316.79
8.0.190.0000.00716.93
8.0.180.0000.00916.90
8.0.170.0050.00516.92
8.0.160.0040.00416.77
8.0.150.0040.00416.79
8.0.140.0000.00716.73
8.0.130.0060.00013.27
8.0.120.0080.00016.74
8.0.110.0040.00416.93
8.0.100.0040.00416.94
8.0.90.0090.00016.78
8.0.80.0030.01016.85
8.0.70.0040.00416.74
8.0.60.0070.00016.86
8.0.50.0000.00816.75
8.0.30.0070.01117.16
8.0.20.0120.00916.78
8.0.10.0000.00716.93
8.0.00.0070.01116.77
7.4.330.0000.00415.55
7.4.320.0030.00316.51
7.4.300.0060.00016.67
7.4.290.0040.00416.55
7.4.280.0070.00016.57
7.4.270.0040.00416.41
7.4.260.0000.00513.25
7.4.250.0040.00416.41
7.4.240.0050.00316.44
7.4.230.0040.00416.38
7.4.220.0020.00516.50
7.4.210.0090.00616.62
7.4.200.0030.00316.61
7.4.130.0070.01116.46
7.4.120.0140.00916.39
7.4.110.0090.01216.49
7.4.100.0110.00716.38
7.4.90.0150.00316.73
7.4.80.0100.00719.39
7.4.70.0060.01216.48
7.4.60.0080.00816.45
7.4.50.0060.01016.42
7.4.40.0130.00316.61
7.4.00.0080.00614.90
7.3.330.0070.00016.10
7.3.320.0050.00013.00
7.3.310.0000.00716.07
7.3.300.0060.00016.10
7.3.290.0040.00416.22
7.3.280.0080.00816.21
7.3.260.0100.00716.45
7.3.230.0110.00616.38
7.3.210.0100.00916.38
7.3.200.0040.01216.35
7.3.190.0080.00816.50
7.3.180.0180.00616.37
7.3.170.0110.00616.65
7.3.160.0060.01316.44
7.3.120.0070.01114.82
7.3.110.0120.00714.83
7.3.100.0080.00914.73
7.3.90.0090.00714.81
7.3.80.0030.01214.77
7.3.70.0070.01014.75
7.3.60.0060.01014.71
7.3.50.0050.01214.67
7.3.40.0070.00714.61
7.3.30.0090.00514.70
7.3.20.0130.00515.76
7.3.10.0090.00715.79
7.3.00.0100.00415.77
7.2.330.0140.00516.34
7.2.320.0100.00716.69
7.2.310.0100.01316.60
7.2.300.0080.00816.60
7.2.290.0080.00916.73
7.2.250.0040.01215.03
7.2.240.0120.00614.65
7.2.230.0080.01214.76
7.2.220.0060.01214.78
7.2.210.0070.00914.89
7.2.200.0110.00615.00
7.2.190.0060.01114.86
7.2.180.0050.01414.87
7.2.170.0090.00714.65
7.2.160.0170.00614.85
7.2.150.0120.00814.90
7.2.140.0040.01515.07
7.2.130.0040.01414.66
7.2.120.0100.01314.86
7.2.110.0110.00615.22
7.2.100.0160.00314.85
7.2.90.0090.00614.95
7.2.80.0080.00814.82
7.2.70.0140.00315.03
7.2.60.0070.01014.77
7.2.50.0040.01315.09
7.2.40.0080.01314.86
7.2.30.0030.01314.93
7.2.20.0090.00914.91
7.2.10.0090.01314.71
7.2.00.0110.00715.15
7.1.330.0090.00714.61
7.1.320.0080.00814.85
7.1.310.0190.00914.92
7.1.300.0070.00814.78
7.1.290.0030.01214.50
7.1.280.0100.00714.61
7.1.270.0060.01014.83
7.1.260.0110.00514.65
7.1.250.0100.01014.05

preferences:
65.38 ms | 400 KiB | 5 Q