3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "1234567890"; var_dump(isset($a[0xff])); // false var_dump(isset($a["0xff"])); // true; 10進数の10として認識されている var_dump(isset($a["0zff"])); // false;

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)
8.3.60.0140.00416.25
8.3.50.0090.00621.92
8.3.40.0110.00418.70
8.3.30.0080.00818.96
8.3.20.0070.00020.12
8.3.10.0080.00021.81
8.3.00.0050.00317.68
8.2.180.0140.00716.50
8.2.170.0040.01422.96
8.2.160.0080.01222.16
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00321.15
8.2.110.0150.00622.15
8.2.100.0080.00319.64
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0040.00417.88
8.2.50.0060.00318.07
8.2.40.0050.00318.16
8.2.30.0040.00418.19
8.2.20.0030.00617.71
8.2.10.0040.00418.04
8.2.00.0040.00417.71
8.1.280.0100.00725.92
8.1.270.0060.00324.01
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00023.82
8.1.230.0000.01219.04
8.1.220.0040.00417.74
8.1.210.0110.00018.77
8.1.200.0030.00617.35
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0080.00018.40
8.1.160.0080.00021.88
8.1.150.0000.00718.79
8.1.140.0000.00717.37
8.1.130.0030.00317.72
8.1.120.0000.00817.43
8.1.110.0000.00817.41
8.1.100.0040.00417.42
8.1.90.0080.00017.35
8.1.80.0040.00417.29
8.1.70.0050.00317.37
8.1.60.0000.00817.52
8.1.50.0000.00817.36
8.1.40.0040.00417.41
8.1.30.0050.00317.59
8.1.20.0040.00417.45
8.1.10.0020.00517.47
8.1.00.0000.00717.44
8.0.300.0080.00019.21
8.0.290.0000.00816.75
8.0.280.0030.00318.24
8.0.270.0030.00317.19
8.0.260.0030.00317.20
8.0.250.0040.00416.75
8.0.240.0000.00616.87
8.0.230.0000.00816.79
8.0.220.0030.00316.83
8.0.210.0040.00416.84
8.0.200.0030.00316.89
8.0.190.0090.00016.78
8.0.180.0040.00416.84
8.0.170.0040.00416.81
8.0.160.0030.00316.79
8.0.150.0030.00316.73
8.0.140.0070.00016.82
8.0.130.0000.00513.29
8.0.120.0040.00416.79
8.0.110.0000.00816.83
8.0.100.0030.00316.72
8.0.90.0000.00816.71
8.0.80.0090.00616.72
8.0.70.0000.00716.72
8.0.60.0040.00416.88
8.0.50.0040.00416.70
8.0.30.0110.00816.90
8.0.20.0130.00717.40
8.0.10.0080.00016.91
8.0.00.0100.00916.62
7.4.330.0050.00015.04
7.4.320.0030.00316.38
7.4.300.0080.00016.45
7.4.290.0000.00716.44
7.4.280.0040.00416.51
7.4.270.0000.00816.48
7.4.260.0070.00416.50
7.4.250.0040.00416.30
7.4.240.0040.00416.42
7.4.230.0000.00716.44
7.4.220.0030.02016.61
7.4.210.0080.00516.59
7.4.200.0070.00016.46
7.4.160.0090.00616.21
7.4.150.0100.01017.40
7.4.140.0170.00617.86
7.4.130.0100.00816.51
7.4.120.0060.01216.52
7.4.110.0090.00916.29
7.4.100.0070.01016.34
7.4.90.0100.00716.54
7.4.80.0200.00419.39
7.4.70.0030.01316.26
7.4.60.0070.01116.41
7.4.50.0040.00415.92
7.4.40.0070.01316.28
7.4.30.0100.01016.36
7.4.10.0100.01015.01
7.4.00.0040.01114.81
7.3.330.0000.00513.17
7.3.320.0060.00013.03
7.3.310.0060.00016.11
7.3.300.0000.00716.16
7.3.290.0060.00916.24
7.3.280.0050.01316.24
7.3.270.0070.01017.40
7.3.260.0110.00716.47
7.3.250.0140.00416.30
7.3.240.0090.00916.43
7.3.230.0080.00816.46
7.3.210.0070.01116.16
7.3.200.0060.01119.39
7.3.190.0080.01516.09
7.3.180.0030.01316.44
7.3.170.0000.01516.37
7.3.160.0090.00616.19
7.3.130.0090.00914.56
7.3.120.0070.01014.76
7.3.110.0110.00414.81
7.3.100.0030.01314.80
7.3.90.0040.01114.52
7.3.80.0060.00614.67
7.3.70.0040.00414.65
7.3.60.0030.01314.54
7.3.50.0040.00814.81
7.3.40.0000.00814.60
7.3.30.0070.00714.33
7.3.20.0070.00316.52
7.3.10.0060.00816.44
7.3.00.0100.00316.56
7.2.330.0130.00316.35
7.2.320.0110.00716.59
7.2.310.0060.01516.47
7.2.300.0150.00316.39
7.2.290.0150.00016.58
7.2.260.0090.00614.55
7.2.250.0110.00614.85
7.2.240.0060.00614.41
7.2.230.0000.01514.62
7.2.220.0160.00014.79
7.2.210.0060.00714.74
7.2.200.0090.00615.00
7.2.190.0030.00614.40
7.2.180.0090.00314.97
7.2.170.0040.00814.62
7.2.160.0060.00914.82
7.2.150.0030.01216.89
7.2.140.0040.01116.78
7.2.130.0070.00416.58
7.2.120.0080.00516.69
7.2.110.0050.00916.69
7.2.100.0050.00916.58
7.2.90.0030.00916.81
7.2.80.0090.00916.85
7.2.70.0050.01016.48
7.2.60.0090.00616.76
7.2.50.0020.01016.64
7.2.40.0070.00716.81
7.2.30.0070.00516.61
7.2.20.0080.00516.80
7.2.10.0050.00816.81
7.2.00.0050.00917.70
7.1.330.0060.00615.37
7.1.320.0100.00315.61
7.1.310.0070.00415.51
7.1.300.0000.01415.61
7.1.290.0070.00715.65
7.1.280.0030.01015.32
7.1.270.0000.01115.61
7.1.260.0080.00015.74
7.1.250.0060.00715.56
7.1.240.0030.01015.60
7.1.230.0030.00615.38
7.1.220.0070.00715.77
7.1.210.0090.00315.68
7.1.200.0010.01115.65
7.1.190.0030.00615.55
7.1.180.0050.00415.55
7.1.170.0060.00515.68
7.1.160.0020.00715.70
7.1.150.0060.00715.50
7.1.140.0050.00815.71
7.1.130.0030.00615.56
7.1.120.0050.00615.61
7.1.110.0050.00615.65
7.1.100.0060.00716.47
7.1.90.0050.00615.79
7.1.80.0040.00615.42
7.1.70.0020.00916.22
7.1.60.0040.01116.95
7.1.50.0090.00416.09
7.1.40.0030.00615.60
7.1.30.0060.00815.48
7.1.20.0030.00915.44
7.1.10.0060.00615.53
7.1.00.0030.03217.75
7.0.330.0030.00915.21
7.0.320.0030.00915.21
7.0.310.0020.01115.33
7.0.300.0080.00315.24
7.0.290.0080.00515.32
7.0.280.0020.00815.02
7.0.270.0070.00415.13
7.0.260.0060.00915.12
7.0.250.0050.00515.12
7.0.240.0020.00915.20
7.0.230.0070.00515.26
7.0.220.0020.00715.09
7.0.210.0060.00615.15
7.0.200.0050.00515.73
7.0.190.0050.00615.16
7.0.180.0050.00315.12
7.0.170.0050.00715.24
7.0.160.0040.00715.09
7.0.150.0080.00315.22
7.0.140.0070.02217.50
7.0.130.0040.00915.27
7.0.120.0030.00715.18
7.0.110.0030.00815.13
7.0.100.0040.00715.04
7.0.90.0050.00515.10
7.0.80.0140.01816.75
7.0.70.0180.01816.84
7.0.60.0190.03016.67
7.0.50.0130.02516.86
7.0.40.0060.02215.62
7.0.30.0050.03215.50
7.0.20.0030.02215.47
7.0.10.0070.02715.52
7.0.00.0020.03715.40
5.6.400.0000.01114.22
5.6.390.0040.00714.39
5.6.380.0050.00514.19
5.6.370.0050.00614.27
5.6.360.0060.00714.21
5.6.350.0070.00614.36
5.6.340.0070.00414.09
5.6.330.0110.00214.29
5.6.320.0060.00413.88
5.6.310.0070.00714.10
5.6.300.0030.00914.34
5.6.290.0090.00514.07
5.6.280.0020.03116.50
5.6.270.0090.00414.06
5.6.260.0080.00614.19
5.6.250.0050.00814.07
5.6.240.0020.00914.01
5.6.230.0060.02716.27
5.6.220.0090.01716.34
5.6.210.0110.02116.34
5.6.200.0080.01616.44
5.6.190.0080.03116.43
5.6.180.0050.01716.46
5.6.170.0070.02116.47
5.6.160.0090.03016.36
5.6.150.0030.03016.48
5.6.140.0070.03116.34
5.6.130.0070.03016.36
5.6.120.0090.02816.54
5.6.110.0080.03216.39
5.6.100.0030.02716.37
5.6.90.0080.02816.37
5.6.80.0040.03416.20
5.6.70.0090.02916.19
5.6.60.0090.02716.13
5.6.50.0030.03216.23
5.6.40.0060.03016.17
5.6.30.0050.01916.21
5.6.20.0040.03216.12
5.6.10.0080.02316.15
5.6.00.0080.02116.00
5.5.380.0020.00912.60
5.5.370.0090.02215.06
5.5.360.0060.02015.07
5.5.350.0040.02015.06
5.5.340.0060.02015.11
5.5.330.0070.03115.02
5.5.320.0060.01815.39
5.5.310.0060.02615.45
5.5.300.0050.02215.11
5.5.290.0070.02915.33
5.5.280.0050.03015.42
5.5.270.0090.03115.28
5.5.260.0040.03215.28
5.5.250.0080.03115.17
5.5.240.0070.02615.00
5.5.230.0070.02914.99
5.5.220.0060.03015.06
5.5.210.0070.01815.00
5.5.200.0050.03314.97
5.5.190.0040.03114.90
5.5.180.0080.02714.95
5.5.170.0090.00212.35
5.5.160.0040.03214.99
5.5.150.0060.03014.86
5.5.140.0050.02415.03
5.5.130.0060.02714.92
5.5.120.0050.02914.95
5.5.110.0010.03614.89
5.5.100.0090.01815.02
5.5.90.0020.02414.98
5.5.80.0040.02214.90
5.5.70.0070.01714.89
5.5.60.0040.03414.91
5.5.50.0050.01914.91
5.5.40.0090.01614.80
5.5.30.0020.01914.95
5.5.20.0040.01915.00
5.5.10.0050.02114.82
5.5.00.0090.01614.82
5.4.450.0050.03013.49
5.4.440.0040.02713.61
5.4.430.0060.03213.53
5.4.420.0030.02313.82
5.4.410.0030.01813.63
5.4.400.0030.02913.55
5.4.390.0060.02913.51
5.4.380.0060.02913.46
5.4.370.0030.02613.54
5.4.360.0020.03013.40
5.4.350.0060.02413.64
5.4.340.0050.02513.56
5.4.330.0030.00810.76
5.4.320.0030.02513.58
5.4.310.0020.02513.54
5.4.300.0070.01513.45
5.4.290.0050.01613.49
5.4.280.0020.02413.43
5.4.270.0020.03213.55
5.4.260.0050.03013.52
5.4.250.0030.01913.48
5.4.240.0050.01813.51
5.4.230.0060.03013.59
5.4.220.0040.02013.50
5.4.210.0030.03113.48
5.4.200.0020.01713.61
5.4.190.0030.02213.57
5.4.180.0040.03013.45
5.4.170.0010.01913.40
5.4.160.0020.01713.47
5.4.150.0010.02013.42
5.4.140.0040.01512.69
5.4.130.0030.01612.60
5.4.120.0040.01912.56
5.4.110.0070.01212.61
5.4.100.0070.01412.63
5.4.90.0040.01512.53
5.4.80.0010.02012.64
5.4.70.0040.01612.71
5.4.60.0060.01212.57
5.4.50.0010.01912.69
5.4.40.0000.02012.74
5.4.30.0050.01912.68
5.4.20.0040.01512.70
5.4.10.0050.01412.60
5.4.00.0040.01712.38
5.3.290.0040.03111.83
5.3.280.0040.02611.72
5.3.270.0030.01911.72
5.3.260.0050.01711.61
5.3.250.0070.01611.77
5.3.240.0030.01611.64
5.3.230.0050.01511.72
5.3.220.0030.01811.67
5.3.210.0040.01511.61
5.3.200.0060.01211.66
5.3.190.0030.01611.69
5.3.180.0030.01711.88
5.3.170.0020.02211.87
5.3.160.0050.01611.85
5.3.150.0040.01711.81
5.3.140.0060.01511.69
5.3.130.0050.01611.74
5.3.120.0040.01811.74
5.3.110.0060.01311.72
5.3.100.0020.01811.56
5.3.90.0020.01611.54
5.3.80.0020.01811.42
5.3.70.0060.01411.43
5.3.60.0010.01611.50
5.3.50.0020.01811.44
5.3.40.0010.02511.41
5.3.30.0020.01411.39
5.3.20.0020.01511.27
5.3.10.0050.01411.20
5.3.00.0030.01611.24
5.2.170.0050.01310.71
5.2.160.0070.01310.70
5.2.150.0020.01710.73
5.2.140.0050.01510.70
5.2.130.0110.00710.54
5.2.120.0020.02210.54
5.2.110.0020.01610.69
5.2.100.0030.01510.71
5.2.90.0030.01410.63
5.2.80.0030.01710.63
5.2.70.0100.01710.68
5.2.60.0030.01710.59
5.2.50.0020.01610.60
5.2.40.0000.01810.53
5.2.30.0020.01710.63
5.2.20.0010.01610.43
5.2.10.0070.01010.51
5.2.00.0020.01810.54
5.1.60.0030.01310.16
5.1.50.0010.01610.15
5.1.40.0040.01210.22
5.1.30.0000.01810.30
5.1.20.0040.01310.29
5.1.10.0070.02510.12
5.1.00.0020.02010.04
5.0.50.0030.01210.00
5.0.40.0040.00810.00
5.0.30.0020.02410.00
5.0.20.0020.01210.00
5.0.10.0000.01210.00
5.0.00.0030.01710.00
4.4.90.0000.01110.00
4.4.80.0000.01110.00
4.4.70.0040.00610.00
4.4.60.0030.00910.00
4.4.50.0020.01010.00
4.4.40.0020.01310.00
4.4.30.0020.00810.00
4.4.20.0000.01110.00
4.4.10.0000.01010.00
4.4.00.0000.01510.00
4.3.110.0000.01910.00
4.3.100.0020.01010.00
4.3.90.0000.00910.00
4.3.80.0000.01410.00
4.3.70.0050.01810.00
4.3.60.0050.01710.00
4.3.50.0000.02010.00
4.3.40.0020.02310.00
4.3.30.0030.01310.00
4.3.20.0050.01710.00
4.3.10.0030.01410.00
4.3.00.0000.01910.00

preferences:
47.48 ms | 401 KiB | 5 Q