3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ''; var_dump($a); var_dump($a === 0);

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)
8.3.60.0120.00916.25
8.3.50.0070.01116.16
8.3.40.0080.00818.78
8.3.30.0110.00418.71
8.3.20.0040.00420.15
8.3.10.0100.00021.90
8.3.00.0040.00422.09
8.2.180.0060.01018.41
8.2.170.0060.01222.96
8.2.160.0150.00018.91
8.2.150.0000.00824.18
8.2.140.0050.00224.66
8.2.130.0040.00421.18
8.2.120.0040.00426.35
8.2.110.0090.00020.86
8.2.100.0000.01118.03
8.2.90.0040.00419.08
8.2.80.0060.00317.97
8.2.70.0100.00317.12
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0000.00820.59
8.2.30.0020.00520.97
8.2.20.0060.00318.04
8.2.10.0000.00718.05
8.2.00.0030.00517.91
8.1.280.0100.00325.92
8.1.270.0040.00421.93
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0040.00819.00
8.1.220.0060.00317.74
8.1.210.0090.00018.77
8.1.200.0060.00317.13
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0030.00518.29
8.1.160.0070.00019.01
8.1.150.0070.00018.79
8.1.140.0000.00719.46
8.1.130.0000.00718.76
8.1.120.0070.00017.27
8.1.110.0030.00517.27
8.1.100.0040.00417.34
8.1.90.0040.00417.28
8.1.80.0030.00517.29
8.1.70.0030.00317.43
8.1.60.0060.00317.35
8.1.50.0040.00417.49
8.1.40.0000.00817.41
8.1.30.0030.00517.50
8.1.20.0000.00917.51
8.1.10.0000.00917.57
8.1.00.0030.00617.35
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.36
8.0.270.0000.00717.19
8.0.260.0030.00316.63
8.0.250.0000.00716.90
8.0.240.0040.00416.91
8.0.230.0070.00016.93
8.0.220.0000.00716.75
8.0.210.0000.00716.71
8.0.200.0000.00616.78
8.0.190.0000.00816.86
8.0.180.0000.00716.73
8.0.170.0040.00416.87
8.0.160.0030.00316.79
8.0.150.0070.00016.76
8.0.140.0000.00716.71
8.0.130.0000.00713.27
8.0.120.0070.00016.82
8.0.110.0070.00016.76
8.0.100.0050.00216.89
8.0.90.0090.00016.69
8.0.80.0070.01416.76
8.0.70.0040.00416.60
8.0.60.0000.00816.71
8.0.50.0000.00716.71
8.0.30.0110.00617.03
8.0.20.0080.01017.40
8.0.10.0000.00716.95
8.0.00.0070.01016.55
7.4.330.0000.00515.55
7.4.320.0000.00616.59
7.4.300.0060.00016.51
7.4.290.0030.00316.55
7.4.280.0030.00616.44
7.4.270.0030.00316.65
7.4.260.0000.00716.55
7.4.250.0050.00216.42
7.4.240.0040.00416.52
7.4.230.0030.00316.36
7.4.220.0170.00016.37
7.4.210.0080.00616.67
7.4.200.0040.00416.58
7.4.160.0130.00516.39
7.4.150.0080.00817.40
7.4.140.0110.00717.86
7.4.130.0120.00616.53
7.4.120.0130.00716.47
7.4.110.0100.00716.35
7.4.100.0130.00516.37
7.4.90.0030.01316.50
7.4.80.0100.00719.39
7.4.70.0160.00316.50
7.4.60.0120.00316.41
7.4.50.0100.00716.21
7.4.40.0030.01316.44
7.4.30.0060.00916.42
7.4.00.0060.01215.13
7.3.330.0030.00312.96
7.3.320.0000.00513.05
7.3.310.0000.00616.17
7.3.300.0000.00616.09
7.3.290.0120.00416.18
7.3.280.0100.00716.16
7.3.270.0050.01117.40
7.3.260.0080.00816.36
7.3.250.0110.00616.48
7.3.240.0110.01316.16
7.3.230.0090.00916.28
7.3.210.0140.00416.16
7.3.200.0160.00616.26
7.3.190.0110.01116.26
7.3.180.0090.01216.56
7.3.170.0170.00316.19
7.3.160.0060.01016.11
7.2.330.0070.01016.40
7.2.320.0060.01116.50
7.2.310.0100.00716.55
7.2.300.0130.00316.28
7.2.290.0130.00316.65
7.2.60.0090.00616.73
7.2.00.0060.00919.38
7.1.200.0060.00615.72
7.1.100.0000.01118.12
7.1.70.0030.01717.29
7.1.60.0190.01035.00
7.1.50.0130.01634.72
7.1.40.0150.01534.34
7.1.30.0130.01634.20
7.1.20.0170.01334.61
7.1.10.0070.00716.73
7.1.00.0090.00616.58
7.0.200.0100.00516.55
7.0.190.0110.00316.62
7.0.180.0070.00716.09
7.0.170.0030.01616.24
7.0.160.0030.01016.13
7.0.150.0030.01016.09
7.0.140.0000.01416.27
7.0.130.0070.00716.54
7.0.120.0080.00816.45
7.0.110.0110.00316.17
7.0.100.0000.01416.25
7.0.90.0100.00316.16
7.0.80.0120.00316.18
7.0.70.0000.01216.12
7.0.60.0090.00615.94
7.0.50.0040.00916.21
7.0.40.0100.00316.55
7.0.30.0040.00916.58
7.0.20.0030.01016.29
7.0.10.0100.00516.24
7.0.00.0060.00616.11

preferences:
50.05 ms | 401 KiB | 5 Q