3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo chr(hexdec('51')); echo chr(hexdec('52')); echo chr(hexdec('2d')); echo chr(hexdec('43')); echo chr(hexdec('6f')); echo chr(hexdec('64')); echo chr(hexdec('65'));

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)
8.3.40.0070.00718.89
8.3.30.0100.00318.54
8.3.20.0070.00019.12
8.3.10.0060.00323.64
8.3.00.0070.00020.55
8.2.170.0150.00022.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00318.03
8.2.120.0040.00426.35
8.2.110.0060.00319.24
8.2.100.0080.00417.97
8.2.90.0060.00617.50
8.2.80.0040.00717.97
8.2.70.0060.00317.91
8.2.60.0000.00717.97
8.2.50.0000.00818.10
8.2.40.0040.00419.38
8.2.30.0040.00419.11
8.2.20.0000.00717.86
8.2.10.0040.00417.81
8.2.00.0050.00317.52
8.1.270.0080.00020.36
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00322.05
8.1.230.0000.01118.94
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0000.00817.10
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0050.00318.43
8.1.160.0040.00418.78
8.1.150.0050.00318.70
8.1.140.0070.00022.12
8.1.130.0000.00820.30
8.1.120.0040.00417.34
8.1.110.0030.00617.27
8.1.100.0030.00617.32
8.1.90.0040.00417.35
8.1.80.0040.00417.30
8.1.70.0030.00717.30
8.1.60.0000.01017.29
8.1.50.0030.00617.43
8.1.40.0030.00517.29
8.1.30.0080.00017.49
8.1.20.0050.00217.50
8.1.10.0040.00417.31
8.1.00.0000.00817.22
8.0.300.0080.00018.77
8.0.290.0000.00816.75
8.0.280.0070.00018.28
8.0.270.0030.00317.23
8.0.260.0070.00018.36
8.0.250.0000.00716.85
8.0.240.0000.00616.84
8.0.230.0000.00716.86
8.0.220.0070.00016.77
8.0.210.0070.00016.71
8.0.200.0000.00716.74
8.0.190.0000.00816.70
8.0.180.0080.00016.77
8.0.170.0060.00316.73
8.0.160.0070.00016.65
8.0.150.0000.01016.66
8.0.140.0040.00416.68
8.0.130.0000.00613.07
8.0.120.0030.00716.73
8.0.110.0040.00416.61
8.0.100.0000.00716.79
8.0.90.0000.00716.73
8.0.80.0130.00716.69
8.0.70.0000.00716.63
8.0.60.0000.00716.72
8.0.50.0040.00416.78
8.0.30.0080.00816.89
8.0.20.0120.00617.40
8.0.10.0070.00016.70
8.0.00.0120.00616.67
7.4.330.0030.00315.55
7.4.320.0030.00316.38
7.4.300.0030.00316.45
7.4.290.0000.00716.35
7.4.280.0050.00516.45
7.4.270.0040.00416.50
7.4.260.0070.00016.32
7.4.250.0040.00416.32
7.4.240.0070.00016.43
7.4.230.0030.00316.23
7.4.220.0000.00716.20
7.4.210.0110.00516.46
7.4.200.0000.00716.51
7.4.160.0090.00816.35
7.4.140.0110.00817.86
7.4.130.0100.00716.46
7.4.120.0080.01216.35
7.4.110.0150.00616.48
7.4.100.0100.00716.51
7.4.90.0080.00816.41
7.4.80.0080.00819.39
7.4.70.0060.01016.41
7.4.60.0130.01016.22
7.4.50.0120.00316.48
7.4.40.0040.01316.44
7.4.00.0060.00314.75
7.3.330.0000.00512.86
7.3.320.0000.00512.97
7.3.310.0000.00816.09
7.3.300.0030.00316.12
7.3.290.0070.00016.12
7.3.280.0080.00516.12
7.3.260.0100.01016.31
7.3.240.0130.00516.32
7.3.230.0090.00916.43
7.3.210.0160.00716.18
7.3.200.0040.01216.06
7.3.190.0110.00716.26
7.3.180.0060.01016.42
7.3.170.0120.00616.18
7.3.160.0070.01016.03
7.2.330.0130.00316.55
7.2.320.0030.01916.35
7.2.310.0060.01116.22
7.2.300.0040.01416.46
7.2.290.0080.00816.62
7.2.110.0030.01016.44
7.2.100.0100.00316.37
7.2.90.0040.00716.66
7.2.80.0080.00816.16
7.2.70.0060.00916.67
7.2.60.0060.00916.73
7.2.50.0030.00916.89
7.2.40.0110.00416.91
7.2.30.0060.00616.61
7.2.20.0030.01416.78
7.2.10.0090.00616.87
7.2.00.0060.01016.78
7.1.230.0030.01015.42
7.1.220.0140.00015.40
7.1.210.0060.00715.61
7.1.200.0070.00715.27
7.1.190.0080.00315.50
7.1.180.0040.01115.36
7.1.170.0060.00615.44
7.1.160.0090.00615.49
7.1.150.0080.00315.75
7.1.140.0060.00915.64
7.1.130.0060.00915.64
7.1.120.0050.00915.62
7.1.110.0000.01415.48
7.1.100.0040.01115.42
7.1.90.0110.00415.71
7.1.80.0050.00715.55
7.1.70.0100.00315.71
7.1.60.0240.01233.73
7.1.50.0200.01333.57
7.1.40.0130.01633.52
7.1.30.0190.01033.61
7.1.20.0240.01433.71
7.1.10.0030.01015.52
7.1.00.0080.00415.61
5.6.380.0150.00014.10

preferences:
60.48 ms | 400 KiB | 5 Q