3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo hexdec("FFFE"); echo PHP_EOL; echo decbin(65534); echo PHP_EOL; $bin = "1111111111111110"; if($bin[0] == 1 ){ for ($i=0; $i < strlen($bin); $i++) { if ($bin[$i] == 0 ) { $bin[$i] = 1; } else { $bin[$i] = 0; } } } echo -$bin << 1;

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)
8.3.60.0140.00718.30
8.3.50.0150.00016.19
8.3.40.0180.00318.79
8.3.30.0120.00318.82
8.3.20.0090.00920.26
8.3.10.0040.01521.85
8.3.00.0080.00022.42
8.2.180.0150.00016.50
8.2.170.0140.00722.96
8.2.160.0090.01219.30
8.2.150.0050.00324.18
8.2.140.0050.00524.66
8.2.130.0040.00420.52
8.2.120.0000.00726.35
8.2.110.0060.00322.13
8.2.100.0080.00317.91
8.2.90.0000.00819.36
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00418.16
8.2.50.0040.00418.22
8.2.40.0040.00420.62
8.2.30.0040.00419.32
8.2.20.0050.00217.98
8.2.10.0000.00717.98
8.2.00.0110.00018.22
8.1.280.0120.00925.92
8.1.270.0060.00322.18
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00321.07
8.1.230.0040.00819.02
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0000.01017.35
8.1.190.0040.00417.35
8.1.180.0070.00018.10
8.1.170.0060.00318.53
8.1.160.0000.00818.81
8.1.150.0000.00820.17
8.1.140.0090.00019.48
8.1.130.0030.00318.86
8.1.120.0030.00317.53
8.1.110.0050.00317.46
8.1.100.0030.00517.45
8.1.90.0060.00417.45
8.1.80.0070.00017.46
8.1.70.0070.00017.41
8.1.60.0040.00417.57
8.1.50.0070.00017.57
8.1.40.0050.00517.43
8.1.30.0040.00417.62
8.1.20.0030.00517.61
8.1.10.0040.00417.55
8.1.00.0040.00417.48
8.0.300.0040.00422.03
8.0.290.0000.00716.62
8.0.280.0000.00718.44
8.0.270.0030.00317.25
8.0.260.0060.00018.98
8.0.250.0000.00716.98
8.0.240.0000.00816.93
8.0.230.0000.00716.94
8.0.220.0000.00716.92
8.0.210.0040.00416.84
8.0.200.0030.00316.95
8.0.190.0030.00516.82
8.0.180.0000.00816.96
8.0.170.0030.00516.91
8.0.160.0000.00716.84
8.0.150.0070.00016.74
8.0.140.0080.00016.80
8.0.130.0040.00413.26
8.0.120.0030.00316.84
8.0.110.0070.00016.66
8.0.100.0040.00416.67
8.0.90.0070.00016.78
8.0.80.0130.00716.86
8.0.70.0030.00516.68
8.0.60.0040.00416.93
8.0.50.0080.00016.73
8.0.30.0060.01217.05
8.0.20.0140.01017.40
8.0.10.0070.00016.98
8.0.00.0150.00716.82
7.4.330.0050.00015.55
7.4.320.0040.00416.54
7.4.300.0000.00616.62
7.4.290.0040.00416.57
7.4.280.0030.00316.51
7.4.270.0000.00716.54
7.4.260.0070.00016.46
7.4.250.0000.00716.60
7.4.240.0000.00716.52
7.4.230.0050.00316.49
7.4.220.0120.01116.71
7.4.210.0100.00416.54
7.4.200.0040.00416.35
7.4.160.0090.00916.50
7.4.150.0110.00717.40
7.4.140.0100.00717.86
7.4.130.0030.01516.36
7.4.120.0120.00816.43
7.4.110.0100.01516.76
7.4.100.0000.01816.65
7.4.90.0030.01316.58
7.4.80.0060.01019.39
7.4.70.0120.00916.52
7.4.60.0080.00816.56
7.4.50.0030.01016.29
7.4.40.0100.01316.52
7.4.30.0140.00316.41
7.4.00.0080.00814.70
7.3.330.0000.00513.16
7.3.320.0060.00013.17
7.3.310.0070.00016.19
7.3.300.0030.00316.32
7.3.290.0110.00516.37
7.3.280.0080.01016.37
7.3.270.0120.00617.40
7.3.260.0160.00316.42
7.3.240.0080.01016.43
7.3.230.0120.00616.49
7.3.210.0050.01116.38
7.3.200.0030.01216.49
7.3.190.0040.01116.42
7.3.180.0110.01116.26
7.3.170.0130.01016.33
7.3.160.0080.00816.23
7.3.120.0060.00915.08
7.3.110.0060.01114.98
7.3.100.0070.01015.00
7.3.90.0060.00615.00
7.3.80.0090.00614.75
7.3.70.0060.00614.74
7.3.60.0070.00314.96
7.3.50.0090.00414.71
7.3.40.0130.00014.68
7.3.30.0070.00714.60
7.3.20.0070.00716.55
7.3.10.0030.00916.60
7.3.00.0050.00416.66
7.2.330.0040.01216.68
7.2.320.0140.00916.81
7.2.310.0130.00316.71
7.2.300.0090.00916.47
7.2.290.0120.00516.92
7.2.250.0090.00914.73
7.2.240.0130.00614.78
7.2.230.0160.00315.04
7.2.220.0070.00414.95
7.2.210.0030.01315.19
7.2.200.0050.00515.21
7.2.190.0070.00714.98
7.2.180.0060.00915.24
7.2.170.0140.00014.83
7.2.160.0030.01315.18
7.2.150.0080.01116.59
7.2.140.0090.00617.06
7.2.130.0030.01216.93
7.2.120.0050.01117.01
7.2.110.0090.00516.77
7.2.100.0070.00916.79
7.2.90.0080.00517.00
7.2.80.0050.01016.90
7.2.70.0070.00716.92
7.2.60.0020.00816.96
7.2.50.0030.00816.95
7.2.40.0070.00516.81
7.2.30.0050.01016.93
7.2.20.0060.00817.05
7.2.10.0090.00216.92
7.2.00.0070.00717.03
7.1.330.0000.01415.54
7.1.320.0100.00315.61
7.1.310.0000.01715.97
7.1.300.0080.01216.02
7.1.290.0090.00315.85
7.1.280.0060.00615.79
7.1.270.0110.00315.76
7.1.260.0030.01315.82
7.1.250.0030.00915.84
7.1.70.0000.00817.11
7.1.60.0070.00317.24
7.1.50.0900.02032.95
7.1.40.0770.00732.63
7.1.30.0870.01732.61
7.1.20.0830.01732.66
7.1.10.0830.01014.61
7.1.00.1000.00714.67
7.0.200.0130.01016.82
7.0.190.0570.01314.64
7.0.180.0830.01014.21
7.0.170.0770.00714.30
7.0.160.0700.01014.52
7.0.150.0830.01014.38
7.0.140.1170.00314.45
7.0.130.0630.01014.50
7.0.120.0630.00714.54
7.0.110.0770.01014.45
7.0.100.0700.01014.43
7.0.90.0970.01314.15
7.0.80.0800.01014.38
7.0.70.0930.00714.43
7.0.60.1100.01014.27
7.0.50.1300.00714.37
7.0.40.0930.00714.57
7.0.30.1030.01014.53
7.0.20.1330.01014.67
7.0.10.1000.01314.44
7.0.00.1030.01314.47

preferences:
59.73 ms | 400 KiB | 5 Q