3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0; $i<256; $i++) echo !ord(chr($i)) == $i;

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)
8.3.40.0070.00718.59
8.3.30.0040.01118.51
8.3.20.0050.00220.63
8.3.10.0080.00018.80
8.3.00.0000.00721.63
8.2.170.0040.01119.01
8.2.160.0140.00022.96
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00426.16
8.2.110.0000.00921.96
8.2.100.0070.00317.84
8.2.90.0060.00322.28
8.2.80.0030.00517.97
8.2.70.0040.00417.91
8.2.60.0040.00418.22
8.2.50.0040.00419.32
8.2.40.0070.00019.30
8.2.30.0070.00019.30
8.2.20.0060.00317.96
8.2.10.0000.00718.78
8.2.00.0000.00819.32
8.1.270.0040.00420.75
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.55
8.1.230.0110.00020.77
8.1.220.0080.00017.74
8.1.210.0060.00318.95
8.1.200.0040.00417.24
8.1.190.0080.00517.10
8.1.180.0080.00018.10
8.1.170.0050.00318.50
8.1.160.0030.00518.93
8.1.150.0040.00418.93
8.1.140.0050.00320.15
8.1.130.0000.00720.10
8.1.120.0000.00817.46
8.1.110.0040.00417.42
8.1.100.0000.00817.33
8.1.90.0040.00417.45
8.1.80.0000.00717.42
8.1.70.0030.00617.45
8.1.60.0070.00017.56
8.1.50.0050.00317.50
8.1.40.0050.00517.53
8.1.30.0060.00317.63
8.1.20.0060.00317.65
8.1.10.0050.00217.35
8.1.00.0000.00817.34
8.0.300.0030.00619.98
8.0.290.0050.00316.75
8.0.280.0000.00818.42
8.0.270.0070.00016.80
8.0.260.0000.00718.42
8.0.250.0050.00316.80
8.0.240.0060.00016.84
8.0.230.0040.00416.96
8.0.220.0030.00316.81
8.0.210.0040.00416.84
8.0.200.0050.00316.82
8.0.190.0050.00316.86
8.0.180.0050.00316.85
8.0.170.0030.00616.91
8.0.160.0000.00716.90
8.0.150.0070.00016.78
8.0.140.0040.00416.89
8.0.130.0040.00413.36
8.0.120.0040.00416.73
8.0.110.0020.00516.92
8.0.100.0050.00216.74
8.0.90.0000.00716.95
8.0.80.0060.01516.77
8.0.70.0040.00416.98
8.0.60.0000.00816.85
8.0.50.0030.00416.84
8.0.30.0060.01217.14
8.0.20.0130.00717.04
8.0.10.0070.00016.80
8.0.00.0100.00716.74
7.4.330.0000.00515.55
7.4.320.0000.00616.63
7.4.300.0000.00716.40
7.4.290.0030.00316.48
7.4.280.0030.00616.49
7.4.270.0030.00316.53
7.4.260.0030.00316.47
7.4.250.0060.00016.35
7.4.240.0030.00716.51
7.4.230.0050.00216.61
7.4.220.0040.00416.65
7.4.210.0060.00816.58
7.4.200.0030.00516.43
7.4.160.0120.00716.42
7.4.130.0170.00416.51
7.4.120.0090.00916.56
7.4.110.0150.00316.59
7.4.100.0030.01316.40
7.4.90.0190.00316.54
7.4.80.0100.00719.39
7.4.70.0120.00816.29
7.4.60.0080.00816.52
7.4.50.0030.01316.22
7.4.40.0080.00816.52
7.4.10.0130.00314.86
7.4.00.0070.00914.92
7.3.330.0000.00513.18
7.3.320.0060.00012.98
7.3.310.0000.00716.35
7.3.300.0000.00816.26
7.3.290.0030.00316.24
7.3.280.0080.00916.24
7.3.260.0080.01016.45
7.3.240.0090.00716.48
7.3.230.0160.00016.34
7.3.210.0080.01516.21
7.3.200.0070.01016.30
7.3.190.0090.00616.51
7.3.180.0110.01116.49
7.3.170.0060.01316.30
7.3.160.0120.00916.50
7.3.130.0040.01314.94
7.3.120.0040.01214.86
7.3.110.0060.01214.74
7.3.100.0030.01014.77
7.3.90.0100.00214.77
7.3.80.0080.00414.82
7.3.70.0030.00914.77
7.3.60.0050.00814.77
7.3.50.0060.00714.64
7.3.40.0060.00914.63
7.3.30.0060.00814.81
7.3.20.0060.00516.09
7.3.10.0080.00716.15
7.3.00.0060.00816.01
7.2.330.0090.00916.78
7.2.320.0120.00616.50
7.2.310.0120.01116.57
7.2.300.0140.01016.54
7.2.290.0050.01116.70
7.2.260.0040.01214.99
7.2.250.0070.01214.99
7.2.240.0070.01015.05
7.2.230.0100.00714.94
7.2.220.0090.00615.16
7.2.210.0050.00814.75
7.2.200.0050.00714.96
7.2.190.0070.00815.03
7.2.180.0050.00914.93
7.2.170.0030.00915.01
7.2.160.0040.01314.98
7.2.150.0070.00516.18
7.2.140.0080.00816.22
7.2.130.0070.00616.26
7.2.120.0050.00816.31
7.2.110.0100.00516.07
7.2.100.0070.00616.28
7.2.90.0390.00516.34
7.2.80.0090.00716.02
7.2.70.0080.00816.33
7.2.60.0060.01016.22
7.2.50.0100.00616.31
7.2.40.0110.00516.37
7.2.30.0110.00416.43
7.2.20.0050.01016.33
7.2.10.0120.00616.38
7.2.00.0070.00916.45
7.1.330.0040.00915.87
7.1.320.0070.00415.69
7.1.310.0040.01015.83
7.1.300.0040.00915.69
7.1.290.0080.00715.76
7.1.280.0090.00615.28
7.1.270.0060.00615.39
7.1.260.0070.00615.35
7.1.250.0040.00715.21
7.1.240.0070.00515.79
7.1.230.0090.00515.81
7.1.220.0050.01115.67
7.1.210.0030.00915.86
7.1.200.0090.00415.72
7.1.190.0050.01115.75
7.1.180.0070.00815.68
7.1.170.0130.00415.95
7.1.160.0040.01115.83
7.1.150.0060.00915.77
7.1.140.0050.00815.78
7.1.130.0050.00815.80
7.1.120.0080.00715.71
7.1.110.0050.00715.83
7.1.100.0050.00615.91
7.1.90.0050.00815.80
7.1.80.0080.00715.80
7.1.70.0050.00915.84
7.1.60.0080.00515.80
7.1.50.0040.00615.71
7.1.40.0030.01015.77
7.1.30.0060.00715.83
7.1.20.0080.00615.82
7.1.10.0030.00915.64
7.1.00.0050.00715.73

preferences:
36 ms | 400 KiB | 5 Q