3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = '123'; echo empty($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)
8.3.60.0190.00316.50
8.3.50.0140.00316.27
8.3.40.0070.00718.72
8.3.30.0110.00418.60
8.3.20.0040.00420.09
8.3.10.0040.00421.82
8.3.00.0040.00419.09
8.2.180.0110.00416.50
8.2.170.0120.00322.96
8.2.160.0130.00020.29
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00721.18
8.2.120.0070.00026.35
8.2.110.0070.00321.04
8.2.100.0030.00718.09
8.2.90.0060.00319.22
8.2.80.0040.00418.03
8.2.70.0030.00617.63
8.2.60.0050.00518.04
8.2.50.0040.00418.10
8.2.40.0020.00520.64
8.2.30.0030.00621.10
8.2.20.0050.00318.15
8.2.10.0050.00217.95
8.2.00.0000.00717.92
8.1.280.0060.00925.92
8.1.270.0000.00722.20
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0000.00823.98
8.1.230.0060.00619.02
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0030.00617.09
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0030.00618.65
8.1.160.0030.00318.89
8.1.150.0030.00520.66
8.1.140.0050.00219.45
8.1.130.0040.00418.73
8.1.120.0000.00717.38
8.1.110.0050.00317.27
8.1.100.0040.00417.37
8.1.90.0040.00717.23
8.1.80.0080.00017.39
8.1.70.0040.00417.37
8.1.60.0000.00817.54
8.1.50.0040.00417.45
8.1.40.0000.00817.46
8.1.30.0040.00417.47
8.1.20.0000.00817.51
8.1.10.0070.00017.55
8.1.00.0070.00017.32
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00818.38
8.0.270.0070.00017.18
8.0.260.0070.00016.70
8.0.250.0030.00316.97
8.0.240.0000.00716.77
8.0.230.0040.00416.87
8.0.220.0000.00716.83
8.0.210.0070.00016.71
8.0.200.0000.00616.86
8.0.190.0030.00716.81
8.0.180.0000.00716.84
8.0.170.0030.00316.75
8.0.160.0080.00016.83
8.0.150.0070.00016.76
8.0.140.0030.00616.80
8.0.130.0000.00613.29
8.0.120.0000.00716.68
8.0.110.0000.00816.81
8.0.100.0040.00416.84
8.0.90.0040.00416.86
8.0.80.0030.01316.73
8.0.70.0000.00716.80
8.0.60.0000.00716.88
8.0.50.0000.00716.69
8.0.30.0060.01116.96
8.0.20.0130.00717.40
8.0.10.0040.00416.98
8.0.00.0100.00716.88
7.4.330.0000.00515.55
7.4.320.0000.00816.33
7.4.300.0000.00616.52
7.4.290.0120.00016.52
7.4.280.0040.00316.53
7.4.270.0030.00316.54
7.4.260.0000.00613.21
7.4.250.0000.00916.54
7.4.240.0050.00516.55
7.4.230.0000.00716.41
7.4.220.0070.01616.39
7.4.210.0040.01016.55
7.4.200.0000.00716.55
7.4.160.0100.00516.40
7.4.150.0030.01417.40
7.4.140.0080.01017.86
7.4.130.0130.00316.40
7.4.120.0100.01016.43
7.4.110.0140.00416.24
7.4.100.0070.01016.54
7.4.90.0100.00716.40
7.4.80.0100.00719.39
7.4.70.0090.00916.57
7.4.60.0100.00716.42
7.4.50.0000.01516.47
7.4.40.0110.00516.63
7.4.30.0060.00916.47
7.4.00.0000.01614.98
7.3.330.0030.00312.80
7.3.320.0050.00012.97
7.3.310.0060.00016.13
7.3.300.0030.00316.16
7.3.290.0050.00216.13
7.3.280.0090.00816.12
7.3.270.0070.01017.40
7.3.260.0110.01016.28
7.3.250.0130.00716.33
7.3.240.0110.00616.40
7.3.230.0070.01116.43
7.3.210.0070.01016.21
7.3.200.0060.01116.31
7.3.190.0080.00816.34
7.3.180.0100.00616.46
7.3.170.0110.00716.45
7.3.160.0060.00916.46
7.3.10.0000.01316.44
7.3.00.0070.00716.65
7.2.330.0030.01316.60
7.2.320.0100.00616.21
7.2.310.0090.00616.52
7.2.300.0060.01016.43
7.2.290.0120.00416.44
7.2.130.0070.01016.46
7.2.120.0070.00716.70
7.2.110.0030.00616.50
7.2.100.0060.00916.86
7.2.90.0120.00916.73
7.2.80.0100.00316.63
7.2.70.0030.01016.92
7.2.60.0070.00716.67
7.2.50.0060.01116.54
7.2.40.0040.01116.73
7.2.30.0000.01316.83
7.2.20.0110.00416.89
7.2.10.0030.00716.64
7.2.00.0040.00717.97
7.1.250.0070.00415.51
7.1.200.0030.00715.68
7.1.100.0460.00315.26
7.1.70.0000.01216.79
7.1.60.0160.01034.75
7.1.50.0100.01934.51
7.1.40.0120.01234.23
7.1.30.0170.01334.18
7.1.20.0100.01434.31
7.1.10.0050.00516.39
7.1.00.0040.00816.52
7.0.200.0000.01116.52
7.0.190.0110.00016.51
7.0.180.0030.00915.99
7.0.170.0070.00716.18
7.0.160.0000.01116.06
7.0.150.0000.01115.96
7.0.140.0000.01116.14
7.0.130.0080.00416.32
7.0.120.0040.00716.29
7.0.110.0030.00916.20
7.0.100.0060.00616.34
7.0.90.0060.00616.05
7.0.80.0060.00616.10
7.0.70.0060.00616.07
7.0.60.0060.00615.97
7.0.50.0030.00916.13
7.0.40.0050.00516.23
7.0.30.0000.01016.43
7.0.20.0030.00716.20
7.0.10.0000.01016.46
7.0.00.0030.00716.22

preferences:
40.51 ms | 401 KiB | 5 Q