3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo empty('true') === true;

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)
8.3.70.0120.00316.38
8.3.60.0140.00718.08
8.3.50.0160.00618.26
8.3.40.0140.00418.61
8.3.30.0080.00818.63
8.3.20.0080.00020.59
8.3.10.0080.00023.65
8.3.00.0030.00522.40
8.2.180.0140.00418.16
8.2.170.0100.00322.96
8.2.160.0070.00722.07
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00221.06
8.2.120.0070.00026.35
8.2.110.0070.00322.25
8.2.100.0110.00017.67
8.2.90.0040.00417.50
8.2.80.0000.00817.97
8.2.70.0040.00417.91
8.2.60.0060.00318.22
8.2.50.0030.00618.10
8.2.40.0060.00320.42
8.2.30.0040.00419.08
8.2.20.0040.00417.97
8.2.10.0030.00518.98
8.2.00.0040.00417.79
8.1.280.0100.00325.92
8.1.270.0040.00420.24
8.1.260.0040.00426.35
8.1.250.0100.00028.09
8.1.240.0090.00022.19
8.1.230.0040.00719.16
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.13
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0030.00618.59
8.1.160.0030.00518.66
8.1.150.0070.00018.80
8.1.140.0000.00720.28
8.1.130.0000.00720.25
8.1.120.0040.00417.30
8.1.110.0000.00717.20
8.1.100.0020.00517.22
8.1.90.0070.00017.21
8.1.80.0030.00317.21
8.1.70.0040.00417.35
8.1.60.0040.00417.43
8.1.50.0080.00417.38
8.1.40.0040.00417.42
8.1.30.0080.00517.38
8.1.20.0030.00517.48
8.1.10.0000.00817.37
8.1.00.0000.00817.32
8.0.300.0040.00419.60
8.0.290.0000.00916.75
8.0.280.0000.00718.28
8.0.270.0000.00717.17
8.0.260.0030.00319.93
8.0.250.0040.00416.75
8.0.240.0030.00316.89
8.0.230.0080.00016.73
8.0.220.0050.00216.78
8.0.210.0030.00316.64
8.0.200.0000.00616.82
8.0.190.0030.00316.71
8.0.180.0000.00716.73
8.0.170.0030.00516.79
8.0.160.0040.00416.72
8.0.150.0000.00716.66
8.0.140.0000.00716.63
8.0.130.0000.00613.18
8.0.120.0080.00016.74
8.0.110.0040.00416.72
8.0.100.0040.00416.79
8.0.90.0040.00416.59
8.0.80.0120.00316.79
8.0.70.0070.00016.59
8.0.60.0020.00516.73
8.0.50.0040.00416.61
8.0.30.0060.01217.10
8.0.20.0180.00317.40
8.0.10.0000.00716.91
8.0.00.0060.01216.61
7.4.330.0050.00015.55
7.4.320.0000.00616.36
7.4.300.0000.00616.50
7.4.290.0040.00416.44
7.4.280.0000.00816.50
7.4.270.0040.00416.36
7.4.260.0000.00716.44
7.4.250.0070.00016.28
7.4.240.0000.00716.43
7.4.230.0030.00316.36
7.4.220.0030.00616.56
7.4.210.0060.01116.47
7.4.200.0030.00316.54
7.4.160.0050.01216.38
7.4.140.0140.00717.86
7.4.130.0090.00916.41
7.4.120.0050.01416.58
7.4.110.0090.00616.56
7.4.100.0070.01116.37
7.4.90.0150.00616.43
7.4.80.0000.02119.39
7.4.70.0120.00916.40
7.4.60.0040.01816.43
7.4.50.0070.01016.17
7.4.40.0060.00916.25
7.4.00.0090.00614.91
7.3.330.0020.00212.95
7.3.320.0030.00312.96
7.3.310.0040.00416.19
7.3.300.0000.00716.16
7.3.290.0000.00816.04
7.3.280.0110.00616.09
7.3.260.0080.00816.22
7.3.240.0090.00716.28
7.3.230.0030.01516.32
7.3.210.0050.01116.27
7.3.200.0040.01116.46
7.3.190.0060.01016.16
7.3.180.0080.01116.14
7.3.170.0080.00816.46
7.3.160.0120.00616.32
7.3.30.0030.00614.44
7.3.20.0060.00916.25
7.3.10.0080.00616.47
7.3.00.0080.00416.32
7.2.330.0060.01016.48
7.2.320.0000.01616.65
7.2.310.0060.00916.38
7.2.300.0100.00616.52
7.2.290.0060.01016.70
7.2.160.0080.00314.48
7.2.150.0030.00916.50
7.2.140.0120.00316.61
7.2.130.0000.01416.48
7.2.120.0110.00316.27
7.2.110.0040.01216.53
7.2.100.0040.01116.64
7.2.90.0140.00016.68
7.2.80.0000.01416.39
7.2.70.0190.00316.76
7.2.60.0130.00616.78
7.2.50.0040.01116.37
7.2.40.0090.00616.30
7.2.30.0060.00916.64
7.2.20.0070.00716.66
7.2.10.0070.00716.66
7.2.00.0140.00016.40
7.1.270.0130.01015.36
7.1.260.0030.01015.54
7.1.250.0100.00315.48

preferences:
59.8 ms | 401 KiB | 5 Q