3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = floor(microtime(true) * 1000); function generate($time) { $prefix_length = random_int(1, 18); $prefix = random_int(0, bindec(str_repeat('1', $prefix_length))); $suffix_length = 18 - $prefix_length; $suffix = random_int(0, bindec(str_repeat('1', $suffix_length))); $uid = 1 << 45 + $prefix_length + $suffix_length | $prefix << 45 + $suffix_length | $time << $suffix_length | $suffix; $uid = dechex($uid); $uid = hex2bin($uid); $uid = base64_encode($uid); $uid = str_replace(['=', '+', '/'], ['', '-', '_'], $uid); return $uid; } var_dump(generate($time)); var_dump(generate($time)); var_dump(generate($time)); var_dump(generate($time)); var_dump(generate($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)
8.0.20.0120.00916.92
8.0.10.0120.00717.02
8.0.00.0080.01117.28
7.4.150.0120.00616.53
7.4.140.0080.01116.75
7.4.130.0060.01216.53
7.4.120.0060.01316.58
7.4.110.0180.00016.47
7.4.100.0070.01016.53
7.4.90.0100.00916.65
7.4.80.0090.00916.60
7.4.70.0110.00716.50
7.4.60.0080.01116.61
7.4.50.0070.01716.46
7.4.40.0090.00916.48
7.4.30.0100.00916.55
7.4.20.0120.00816.57
7.4.10.0120.00716.65
7.4.00.0110.00916.14
7.3.270.0040.01416.50
7.3.260.0030.01516.64
7.3.250.0090.00916.42
7.3.240.0110.00716.39
7.3.230.0060.01216.73
7.3.220.0100.01316.41
7.3.210.0070.01316.55
7.3.200.0130.00616.54
7.3.190.0100.00716.42
7.3.180.0030.01416.21
7.3.170.0100.00816.40
7.3.160.0110.00816.26
7.3.150.0130.00716.71
7.3.140.0090.00916.73
7.3.130.0150.00416.63
7.3.120.0150.00316.62
7.3.110.0130.00516.56
7.3.100.0170.00316.48
7.3.90.0140.00316.40
7.3.80.0140.00316.65
7.3.70.0070.01316.51
7.3.60.0070.01116.47
7.3.50.0110.00716.46
7.3.40.0090.00916.39
7.3.30.0110.00816.42
7.3.20.0160.00316.61
7.3.10.0090.00816.52
7.3.00.0130.00616.56
7.2.340.0150.01216.63
7.2.330.0090.01316.61
7.2.320.0060.02016.85
7.2.310.0100.01016.75
7.2.300.0040.01716.62
7.2.290.0160.00416.42
7.2.280.0080.01216.67
7.2.270.0180.00416.73
7.2.260.0160.00916.58
7.2.250.0090.01316.77
7.2.240.0110.01116.31
7.2.230.0060.01616.35
7.2.220.0160.00316.64
7.2.210.0150.00516.45
7.2.200.0120.00816.58
7.2.190.0140.00916.54
7.2.180.0190.00316.73
7.2.170.0130.00716.53
7.2.160.0070.01416.61
7.2.150.0120.00616.79
7.2.140.0150.00716.66
7.2.130.0110.00916.85
7.2.120.0070.01116.84
7.2.110.0080.01016.77
7.2.100.0090.00716.82
7.2.90.0080.00916.75
7.2.80.0110.01016.76
7.2.70.0090.00816.73
7.2.60.0090.00716.64
7.2.50.0140.00316.63
7.2.40.0140.00316.77
7.2.30.0090.00516.71
7.2.20.0100.00817.61
7.2.10.0110.01017.76
7.2.00.0100.00917.70
7.1.330.0140.00715.75
7.1.320.0080.01115.72
7.1.310.0160.00315.34
7.1.300.0090.01515.65
7.1.290.0130.00615.78
7.1.280.0160.00315.48
7.1.270.0050.01315.44
7.1.260.0040.01715.55
7.1.250.0170.00815.59
7.1.240.0080.01115.71
7.1.230.0090.00915.63
7.1.220.0140.01115.70
7.1.210.0080.01115.71
7.1.200.0080.01215.55
7.1.190.0090.01015.61
7.1.180.0120.00615.61
7.1.170.0090.00915.70
7.1.160.0260.00715.61
7.1.150.0110.00715.75
7.1.140.0090.01117.11
7.1.130.0100.01317.26
7.1.120.0120.00817.18
7.1.110.0130.00716.86
7.1.100.0100.00916.79
7.1.90.0070.01316.84
7.1.80.0110.00916.76
7.1.70.0120.00916.29
7.1.60.0230.01125.23
7.1.50.0210.01425.21
7.1.40.0210.01125.03
7.1.30.0230.01124.98
7.1.20.0140.01525.05
7.1.10.0070.01415.91
7.1.00.0130.00716.02
7.0.330.0050.01115.20
7.0.320.0140.01115.29
7.0.310.0090.00915.55
7.0.300.0120.00615.34
7.0.290.0070.01115.13
7.0.280.0110.00715.25
7.0.270.0120.01315.13
7.0.260.0080.01615.36
7.0.250.0150.00315.16
7.0.240.0140.00415.22
7.0.230.0110.00915.23
7.0.220.0120.00615.35
7.0.210.0330.00915.38
7.0.200.0070.01015.55
7.0.190.0100.00715.50
7.0.180.0110.00615.34
7.0.170.0140.00315.39
7.0.160.0120.00615.36
7.0.150.0090.00915.30
7.0.140.0070.01115.29
7.0.130.0080.01215.32
7.0.120.0130.00515.36
7.0.110.0110.00615.31
7.0.100.0040.01315.15
7.0.90.0110.00815.13
7.0.80.0190.00815.32
7.0.70.0180.00915.13
7.0.60.0390.00815.25
7.0.50.0150.00615.27
7.0.40.0180.00415.10
7.0.30.0110.01115.41
7.0.20.0230.00515.19
7.0.10.0060.01615.30
7.0.00.0070.01015.26
5.6.400.0090.01915.77
5.6.390.0090.01215.93
5.6.380.0180.01116.09
5.6.370.0060.01316.07
5.6.360.0140.00616.07
5.6.350.0170.00316.16
5.6.340.0160.00316.01
5.6.330.0040.02315.85
5.6.320.0120.00615.98
5.6.310.0080.01215.80
5.6.300.0130.00616.11
5.6.290.0100.01016.09
5.6.280.0180.00315.87
5.6.270.0130.00715.86
5.6.260.0080.01116.15
5.6.250.0100.01716.03
5.6.240.0130.00616.15
5.6.230.0140.01115.67
5.6.220.0110.01715.71
5.6.210.0160.00815.57
5.6.200.0200.00815.64
5.6.190.0100.01015.95
5.6.180.0090.01215.75
5.6.170.0130.00715.75
5.6.160.0160.00616.00
5.6.150.0120.00915.73
5.6.140.0160.01315.83
5.6.130.0160.01115.91
5.6.120.0100.00915.91
5.6.110.0070.01115.93
5.6.100.0100.01015.74
5.6.90.0040.01516.18
5.6.80.0060.02115.87
5.6.70.0060.01516.01
5.6.60.0110.01115.85
5.6.50.0040.01515.65
5.6.40.0120.00615.79
5.6.30.0090.00915.61
5.6.20.0130.00615.76
5.6.10.0120.00915.74
5.6.00.0060.01315.65
5.5.380.0290.00415.67
5.5.370.0220.01115.83
5.5.360.0290.00715.87
5.5.350.0260.00315.93
5.5.340.0200.00815.82
5.5.330.0220.01115.70
5.5.320.0150.01516.05
5.5.310.0050.02015.86
5.5.300.0360.00615.86
5.5.290.0170.01116.02
5.5.280.0260.00415.91
5.5.270.0220.00815.91
5.5.260.0080.02016.03
5.5.250.0110.01515.66
5.5.240.0180.00715.70
5.5.230.0200.01015.65
5.5.220.0200.01115.79
5.5.210.0230.00815.69
5.5.200.0230.00915.73
5.5.190.0200.01115.73
5.5.180.0200.01315.79
5.5.170.0220.01315.61
5.5.160.0110.01515.52
5.5.150.0190.01115.47
5.5.140.0190.01015.78
5.5.130.0190.01115.71
5.5.120.0330.00315.52
5.5.110.0160.01615.89
5.5.100.0230.00815.72
5.5.90.0150.01315.71
5.5.80.0130.02015.48
5.5.70.0200.00915.43
5.5.60.0200.00815.67
5.5.50.0330.00315.76
5.5.40.0170.01115.67
5.5.30.0260.00715.43
5.5.20.0210.01415.93
5.5.10.0200.01015.86
5.5.00.0260.00615.85
5.4.450.0090.01312.69
5.4.440.0130.01312.59
5.4.430.0160.00712.80
5.4.420.0250.00012.76
5.4.410.0110.01212.63
5.4.400.0110.01112.71
5.4.390.0160.00712.86
5.4.380.0090.01312.84
5.4.370.0170.00712.61
5.4.360.0170.00712.69
5.4.350.0130.01312.71
5.4.340.0220.00612.77
5.4.330.0190.00312.64
5.4.320.0130.00712.93
5.4.310.0130.00712.69
5.4.300.0160.00812.50
5.4.290.0200.01012.63
5.4.280.0120.01212.58
5.4.270.0150.00713.00
5.4.260.0110.00812.39
5.4.250.0080.01212.44
5.4.240.0150.00912.56
5.4.230.0160.00812.51
5.4.220.0140.00612.76
5.4.210.0250.00012.49
5.4.200.0160.00712.39
5.4.190.0200.00912.83
5.4.180.0160.01012.66
5.4.170.0200.00712.45
5.4.160.0160.00812.59
5.4.150.0170.01112.77
5.4.140.0210.00912.66
5.4.130.0230.00312.74
5.4.120.0210.00412.72
5.4.110.0180.00512.93
5.4.100.0200.00612.62
5.4.90.0150.00912.62
5.4.80.0210.00412.68
5.4.70.0130.01012.63
5.4.60.0200.00312.61
5.4.50.0100.01412.68
5.4.40.0160.00612.64
5.4.30.0170.00712.70
5.4.20.0130.01012.73
5.4.10.0200.00412.74
5.4.00.0160.00912.74
5.3.290.0140.00512.90
5.3.280.0190.00712.66
5.3.270.0150.01212.73
5.3.260.0240.00212.79
5.3.250.0150.00812.85
5.3.240.0150.00812.59
5.3.230.0180.00712.80
5.3.220.0160.00912.65
5.3.210.0260.00312.64
5.3.200.0190.00712.63
5.3.190.0170.00412.84
5.3.180.0150.00612.84
5.3.170.0120.01213.03
5.3.160.0100.01012.94
5.3.150.0180.00612.81
5.3.140.0240.00012.95
5.3.130.0140.01412.90
5.3.120.0150.00913.07
5.3.110.0160.00813.06
5.3.100.0240.00312.95
5.3.90.0150.01812.86
5.3.80.0180.00613.00
5.3.70.0200.00612.71
5.3.60.0210.00912.89
5.3.50.0210.00712.84
5.3.40.0170.01312.84
5.3.30.0130.01612.69
5.3.20.0150.01112.66
5.3.10.0190.00512.56
5.3.00.0230.00312.55
5.2.170.0080.01311.93
5.2.160.0180.00511.92
5.2.150.0130.00812.08
5.2.140.0210.00311.88
5.2.130.0200.00311.73
5.2.120.0100.01011.72
5.2.110.0170.00711.85
5.2.100.0150.00711.84
5.2.90.0160.00711.71
5.2.80.0130.00911.73
5.2.70.0150.00911.67
5.2.60.0080.01211.62
5.2.50.0110.01111.75
5.2.40.0110.01111.77
5.2.30.0120.01211.66
5.2.20.0070.01311.66
5.2.10.0130.00711.46
5.2.00.0070.01611.66
5.1.60.0030.01410.76
5.1.50.0040.01310.73
5.1.40.0120.00610.98
5.1.30.0140.00510.97
5.1.20.0100.00710.96
5.1.10.0140.00310.94
5.1.00.0120.00910.70
5.0.50.0140.00410.70
5.0.40.0140.00010.70
5.0.30.0110.00610.70
5.0.20.0080.00810.70
5.0.10.0120.00510.70
5.0.00.0150.00510.70
4.4.90.0080.00510.70
4.4.80.0060.00510.70
4.4.70.0090.00210.70
4.4.60.0030.00610.70
4.4.50.0110.00010.70
4.4.40.0070.00310.70
4.4.30.0000.01010.70
4.4.20.0070.00310.70
4.4.10.0050.00510.70
4.4.00.0050.00510.70
4.3.110.0050.00510.70
4.3.100.0090.00410.70
4.3.90.0070.00210.70
4.3.80.0090.00210.70
4.3.70.0070.00310.70
4.3.60.0110.00010.70
4.3.50.0000.00910.70
4.3.40.0120.00010.70
4.3.30.0090.00010.70
4.3.20.0050.00310.70
4.3.10.0030.00510.70
4.3.00.0080.00010.70

preferences:
46.2 ms | 401 KiB | 5 Q