3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strlen((int) 18 ?? null);

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)
8.3.60.0070.01316.50
8.3.50.0090.01321.00
8.3.40.0100.00718.59
8.3.30.0110.00418.60
8.3.20.0070.00020.21
8.3.10.0080.00021.82
8.3.00.0040.00419.67
8.2.180.0100.01016.50
8.2.170.0070.01022.96
8.2.160.0120.00320.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00317.75
8.2.110.0040.00422.16
8.2.100.0090.00317.75
8.2.90.0040.00419.27
8.2.80.0000.00917.97
8.2.70.0080.00017.63
8.2.60.0040.00717.55
8.2.50.0030.00618.07
8.2.40.0040.00419.41
8.2.30.0080.00019.76
8.2.20.0000.00717.66
8.2.10.0000.00718.03
8.2.00.0040.00417.93
8.1.280.0070.00725.92
8.1.270.0080.00020.33
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0110.00022.35
8.1.230.0110.00017.42
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0030.00617.10
8.1.190.0030.00516.98
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0030.00621.81
8.1.150.0030.00618.81
8.1.140.0030.00517.27
8.1.130.0070.00017.55
8.1.120.0040.00417.30
8.1.110.0020.00517.35
8.1.100.0030.00517.41
8.1.90.0000.00817.30
8.1.80.0070.00017.31
8.1.70.0000.00817.21
8.1.60.0040.00417.48
8.1.50.0080.00017.44
8.1.40.0000.00817.32
8.1.30.0040.00417.62
8.1.20.0000.00717.55
8.1.10.0030.00617.43
8.1.00.0040.00417.33
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0070.00018.40
8.0.270.0000.00817.22
8.0.260.0000.00717.05
8.0.250.0070.00016.94
8.0.240.0060.00016.89
8.0.230.0060.00016.90
8.0.220.0000.00716.72
8.0.210.0070.00016.79
8.0.200.0000.00616.77
8.0.190.0030.00516.75
8.0.180.0040.00416.84
8.0.170.0070.00016.74
8.0.160.0090.00016.91
8.0.150.0070.00016.84
8.0.140.0050.00216.72
8.0.130.0050.00013.28
8.0.120.0040.00416.69
8.0.110.0000.00816.78
8.0.100.0050.00416.68
8.0.90.0020.00516.86
8.0.80.0070.00716.88
8.0.70.0070.00016.68
8.0.60.0020.00516.72
8.0.50.0000.00716.68
8.0.30.0050.01416.99
8.0.20.0150.00717.40
8.0.10.0040.00416.93
8.0.00.0090.01016.63
7.4.330.0050.00015.08
7.4.320.0000.00616.46
7.4.300.0030.00316.48
7.4.290.0000.00716.37
7.4.280.0070.00016.48
7.4.270.0000.00716.38
7.4.260.0070.00016.44
7.4.250.0040.00416.22
7.4.240.0050.00216.42
7.4.230.0000.00716.53
7.4.220.0060.01216.44
7.4.210.0090.00516.49
7.4.200.0050.00316.46
7.4.160.0120.00316.39
7.4.150.0070.01317.40
7.4.140.0130.00417.86
7.4.130.0120.01016.46
7.4.120.0070.01116.47
7.4.110.0060.01216.30
7.4.100.0100.00816.36
7.4.90.0120.00616.41
7.4.80.0050.01119.39
7.4.70.0060.00916.29
7.4.60.0120.00616.40
7.4.50.0040.00416.15
7.4.40.0120.00416.30
7.4.30.0090.00916.31
7.4.00.0060.00915.09
7.3.330.0070.00013.11
7.3.320.0020.00212.91
7.3.310.0070.00016.26
7.3.300.0000.00816.16
7.3.290.0070.00016.20
7.3.280.0120.01016.18
7.3.270.0130.00317.40
7.3.260.0170.00016.47
7.3.250.0100.00916.36
7.3.240.0100.00716.50
7.3.230.0070.01016.39
7.3.210.0070.01016.47
7.3.200.0090.00616.34
7.3.190.0100.00716.15
7.3.180.0030.01216.18
7.3.170.0040.01516.27
7.3.160.0030.01216.34
7.3.120.0060.01314.74
7.3.110.0130.00014.93
7.3.100.0030.01314.84
7.3.90.0080.00314.87
7.3.80.0100.00614.70
7.3.70.0140.00414.49
7.3.60.0040.01114.61
7.3.50.0040.01114.74
7.3.40.0030.00614.70
7.3.30.0170.00014.72
7.3.20.0060.00616.25
7.3.10.0070.00716.50
7.3.00.0060.01016.57
7.2.330.0110.01116.55
7.2.320.0030.01716.47
7.2.310.0140.00316.46
7.2.300.0100.01016.18
7.2.290.0130.00316.58
7.2.250.0070.00714.91
7.2.240.0000.01914.95
7.2.230.0080.00815.03
7.2.220.0090.00315.16
7.2.210.0030.01214.60
7.2.200.0040.01115.04
7.2.190.0000.01714.75
7.2.180.0070.00315.10
7.2.170.0060.01314.96
7.2.60.0070.00716.73
7.2.00.0140.00019.41
7.1.330.0000.01315.47
7.1.320.0040.01115.64
7.1.310.0070.01016.02
7.1.300.0030.01015.49
7.1.290.0110.00415.79
7.1.280.0040.00715.44
7.1.270.0040.01215.38
7.1.260.0100.00315.80
7.1.200.0030.00715.84
7.1.100.0080.00618.05
7.1.70.0000.00716.91
7.1.60.0060.01920.03
7.1.50.0000.01616.74
7.1.00.0100.07022.57
7.0.200.0450.00314.61
7.0.60.0300.06019.90
7.0.50.0070.08017.81
7.0.40.0100.08020.05
7.0.30.0430.03720.12
7.0.20.0270.08020.16
7.0.10.0030.09320.16
7.0.00.0130.06320.19
5.6.280.0070.03320.91
5.6.210.0100.07320.64
5.6.200.0030.07718.19
5.6.190.0170.07720.51
5.6.180.0370.07020.46
5.6.170.0270.08320.45
5.6.160.0170.06718.23
5.6.150.0070.03718.18
5.6.140.0030.09318.14
5.6.130.0130.07718.15
5.6.120.0100.07721.15
5.6.110.0300.06321.08
5.6.100.0070.04320.93
5.6.90.0030.04021.02
5.6.80.0130.05320.39
5.5.350.0170.07720.33
5.5.340.0030.05717.98
5.5.330.0030.05320.40
5.5.320.0070.06720.30
5.5.310.0330.07720.51
5.5.300.0030.04017.96
5.5.290.0030.04018.01
5.5.280.0070.08320.85
5.5.270.0070.08320.87
5.5.260.0130.07320.75
5.5.250.0100.06020.70
5.5.240.3870.04020.23
5.4.450.0600.05319.48
5.4.440.0570.06719.34
5.4.430.0630.04319.47
5.4.420.0630.05019.48
5.4.410.0600.05719.35
5.4.400.0770.03719.15
5.4.390.0700.05019.26
5.4.380.0570.05319.30
5.4.370.0600.05319.01
5.4.360.0630.05019.21
5.4.350.0430.05719.15
5.4.340.0630.05018.87
5.4.320.0570.06019.02
5.4.310.0600.05019.29
5.4.300.0600.05319.15
5.4.290.0530.05019.29
5.4.280.0630.05019.37
5.4.270.0530.04719.30
5.4.260.0400.05719.05
5.4.250.0630.04718.98
5.4.240.0570.05319.09
5.4.230.0630.05019.05
5.4.220.0630.05318.80
5.4.210.0600.05018.98
5.4.200.0500.06019.25
5.4.190.0670.04318.97
5.4.180.0530.05719.05
5.4.170.0700.04019.00
5.4.160.0530.05319.21
5.4.150.0700.04319.28
5.4.140.0530.05716.40
5.4.130.0670.04016.30
5.4.120.0630.04316.56
5.4.110.0630.04716.57
5.4.100.0530.05016.52
5.4.90.0630.04316.60
5.4.80.0430.05016.50
5.4.70.0100.05316.57
5.4.60.0200.04316.33
5.4.50.0000.03716.43
5.4.40.0300.05316.52
5.4.30.0270.07016.21
5.4.20.0400.05716.16

preferences:
52.89 ms | 401 KiB | 5 Q