3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = ' '; var_dump(!$s);

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)
8.3.60.0110.00316.63
8.3.50.0140.00418.23
8.3.40.0140.00018.58
8.3.30.0090.00618.54
8.3.20.0070.00019.22
8.3.10.0040.00421.56
8.3.00.0060.00319.56
8.2.180.0100.01016.32
8.2.170.0120.00422.96
8.2.160.0070.00720.47
8.2.150.0040.01224.18
8.2.140.0040.00424.66
8.2.130.0080.00017.96
8.2.120.0100.01026.35
8.2.110.0000.01122.24
8.2.100.0080.00417.63
8.2.90.0000.00819.28
8.2.80.0050.00517.97
8.2.70.0050.00317.50
8.2.60.0080.00017.93
8.2.50.0030.00618.07
8.2.40.0000.00821.14
8.2.30.0050.00220.61
8.2.20.0040.00417.71
8.2.10.0040.00418.00
8.2.00.0080.00018.01
8.1.280.0090.01225.92
8.1.270.0080.00023.90
8.1.260.0000.00728.09
8.1.250.0150.00028.09
8.1.240.0080.00022.52
8.1.230.0080.00317.42
8.1.220.0050.00317.76
8.1.210.0080.00018.77
8.1.200.0040.00717.35
8.1.190.0000.00817.43
8.1.180.0030.00618.10
8.1.170.0030.00618.57
8.1.160.0040.00421.97
8.1.150.0000.00818.92
8.1.140.0000.00719.57
8.1.130.0070.00017.59
8.1.120.0000.00717.47
8.1.110.0000.00817.32
8.1.100.0000.00717.38
8.1.90.0040.00417.43
8.1.80.0000.00817.37
8.1.70.0040.00417.38
8.1.60.0050.00217.55
8.1.50.0000.00817.40
8.1.40.0000.00917.44
8.1.30.0030.00617.63
8.1.20.0000.00817.47
8.1.10.0030.00517.48
8.1.00.0040.00417.40
8.0.300.0050.00318.77
8.0.290.0070.00016.63
8.0.280.0070.00018.42
8.0.270.0000.00717.19
8.0.260.0000.00717.26
8.0.250.0000.00716.83
8.0.240.0060.00316.86
8.0.230.0070.00016.96
8.0.220.0060.00316.79
8.0.210.0030.00316.94
8.0.200.0030.00316.95
8.0.190.0080.00316.85
8.0.180.0120.00016.88
8.0.170.0040.00416.96
8.0.160.0070.00016.91
8.0.150.0030.00316.83
8.0.140.0000.00916.85
8.0.130.0030.00313.34
8.0.120.0060.00316.82
8.0.110.0000.00716.81
8.0.100.0030.00316.92
8.0.90.0000.00816.89
8.0.80.0090.00916.85
8.0.70.0030.00516.89
8.0.60.0070.00016.88
8.0.50.0070.00016.79
8.0.30.0100.01017.10
8.0.20.0110.00817.40
8.0.10.0050.00216.99
8.0.00.0090.00916.75
7.4.330.0050.00015.08
7.4.320.0030.00316.50
7.4.300.0030.00316.39
7.4.290.0000.00616.60
7.4.280.0040.00416.53
7.4.270.0000.00716.54
7.4.260.0030.00316.34
7.4.250.0030.00316.53
7.4.240.0000.00816.51
7.4.230.0070.00016.70
7.4.220.0180.00916.53
7.4.210.0050.01516.56
7.4.200.0000.00716.58
7.4.160.0100.01016.29
7.4.150.0110.00817.40
7.4.140.0070.01017.86
7.4.130.0100.00716.53
7.4.120.0140.00316.38
7.4.110.0100.01016.46
7.4.100.0100.00616.45
7.4.90.0170.01316.35
7.4.80.0040.01219.39
7.4.70.0130.00316.42
7.4.60.0090.00616.57
7.4.50.0110.00016.54
7.4.40.0070.01016.66
7.4.30.0130.00416.48
7.4.00.0030.00915.09
7.3.330.0040.00413.06
7.3.320.0060.00013.04
7.3.310.0070.00016.00
7.3.300.0000.00616.16
7.3.290.0000.00716.18
7.3.280.0100.00716.13
7.3.270.0130.00317.40
7.3.260.0080.01116.32
7.3.250.0130.00616.21
7.3.240.0120.00616.26
7.3.230.0060.01116.47
7.3.210.0130.00316.02
7.3.200.0130.01016.42
7.3.190.0040.01216.23
7.3.180.0090.00916.20
7.3.170.0070.01016.21
7.3.160.0090.01216.36
7.2.330.0110.00716.25
7.2.320.0090.01216.24
7.2.310.0160.00316.57
7.2.300.0080.00816.31
7.2.290.0060.01516.27
7.2.60.0090.00316.53
7.2.00.0070.00719.21
7.1.200.0070.00715.77
7.1.100.0040.00718.10
7.1.70.0190.00316.88
7.1.60.0030.01919.47
7.1.50.0210.01734.77
7.1.00.0000.08022.54
7.0.200.0430.00414.51
7.0.60.0870.00020.04
7.0.50.0700.00020.31
7.0.40.0870.00020.36
7.0.30.0800.00020.31
7.0.20.0800.00020.43
7.0.10.0800.00020.43
7.0.00.0700.00020.32
5.6.280.0130.06721.03
5.6.210.0800.00020.59
5.6.200.0800.00020.96
5.6.190.0770.00020.96
5.6.180.0730.00021.12
5.6.170.0770.00021.04
5.6.160.0800.00021.05
5.6.150.0700.00021.12
5.6.140.0800.00021.04
5.6.130.0900.00021.11
5.6.120.0830.00021.11
5.6.110.0770.00021.10
5.6.100.0700.00021.14
5.6.90.0770.00021.02
5.6.80.0670.00020.44
5.6.70.0770.00020.58
5.6.60.0830.00020.39
5.6.50.0770.00020.55
5.6.40.0800.00020.38
5.6.30.0770.00020.40
5.6.20.0770.00020.46
5.6.10.0730.00020.53
5.6.00.0800.00020.55
5.5.350.0800.00020.53
5.5.340.0970.00020.86
5.5.330.0830.00020.76
5.5.320.0700.00020.79
5.5.310.0800.00021.01
5.5.300.0800.00020.84
5.5.290.0870.00020.74
5.5.280.0730.00020.94
5.5.270.0770.00020.82
5.5.260.0800.00020.93
5.5.250.0800.00020.75
5.5.240.0670.00020.34
5.5.230.0800.00020.16
5.5.220.0770.00020.23
5.5.210.0700.00020.34
5.5.200.0770.00020.13
5.5.190.0730.00020.39
5.5.180.0730.00020.13
5.5.160.0930.00020.19
5.5.150.0700.00020.20
5.5.140.0870.00020.34
5.5.130.0970.00020.21
5.5.120.0870.00020.38
5.5.110.0770.00020.08
5.5.100.0670.00020.28
5.5.90.0670.00020.00
5.5.80.0630.00020.26
5.5.70.0730.00019.99
5.5.60.0730.00020.06
5.5.50.0730.00020.09
5.5.40.0700.00020.09
5.5.30.0730.00020.14
5.5.20.0730.00020.08
5.5.10.0700.00020.07
5.5.00.0670.00020.06

preferences:
66.98 ms | 401 KiB | 5 Q