3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump('foo' instanceof \Countable);

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)
8.3.70.0070.00718.43
8.3.60.0140.00318.18
8.3.50.0120.00521.14
8.3.40.0120.00318.54
8.3.30.0140.00018.68
8.3.20.0030.00518.27
8.3.10.0070.00020.98
8.3.00.0040.00423.66
8.2.180.0100.01016.50
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0180.00024.66
8.2.130.0000.00726.16
8.2.120.0110.00720.81
8.2.110.0050.00520.50
8.2.100.0060.00617.59
8.2.90.0040.00418.90
8.2.80.0080.00017.97
8.2.70.0030.00517.38
8.2.60.0040.00417.68
8.2.50.0060.00318.07
8.2.40.0040.00418.03
8.2.30.0080.00019.78
8.2.20.0040.00417.57
8.2.10.0040.00417.59
8.2.00.0000.00817.55
8.1.280.0170.00325.92
8.1.270.0070.00023.99
8.1.260.0140.00426.35
8.1.250.0000.00728.09
8.1.240.0110.00022.48
8.1.230.0080.00420.74
8.1.220.0060.00318.77
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0030.00519.19
8.1.180.0040.00418.10
8.1.170.0000.00818.53
8.1.160.0040.00418.68
8.1.150.0000.00718.46
8.1.140.0040.00417.36
8.1.130.0030.00317.70
8.1.120.0030.00317.30
8.1.110.0000.00817.28
8.1.100.0000.00717.34
8.1.90.0000.00717.29
8.1.80.0030.00417.38
8.1.70.0000.00717.30
8.1.60.0040.00417.28
8.1.50.0000.00817.34
8.1.40.0040.00417.45
8.1.30.0030.00517.56
8.1.20.0030.00517.43
8.1.10.0000.00717.33
8.1.00.0020.00517.37
8.0.300.0080.00019.71
8.0.290.0000.00717.03
8.0.280.0040.00418.30
8.0.270.0030.00317.04
8.0.260.0000.00616.59
8.0.250.0000.00716.84
8.0.240.0060.00316.80
8.0.230.0000.00716.70
8.0.220.0030.00316.80
8.0.210.0000.00716.76
8.0.200.0030.00316.82
8.0.190.0030.00616.72
8.0.180.0060.00316.79
8.0.170.0000.00716.82
8.0.160.0030.00316.66
8.0.150.0080.00016.59
8.0.140.0000.00816.75
8.0.130.0000.00613.27
8.0.120.0000.00716.62
8.0.110.0030.00316.61
8.0.100.0000.00716.80
8.0.90.0000.00816.87
8.0.80.0130.01016.63
8.0.70.0070.00016.76
8.0.60.0040.00416.70
8.0.50.0000.00916.70
8.0.30.0100.00716.94
8.0.20.0100.00817.40
8.0.10.0030.00416.89
8.0.00.0070.01416.45
7.4.330.0000.00514.70
7.4.320.0070.00016.29
7.4.300.0030.00316.35
7.4.290.0030.00316.47
7.4.280.0030.00716.35
7.4.270.0050.00216.29
7.4.260.0030.00313.08
7.4.250.0040.00416.32
7.4.240.0050.00216.29
7.4.230.0000.00716.50
7.4.220.0100.00616.41
7.4.210.0070.00816.48
7.4.200.0030.00516.35
7.4.190.0040.00416.62
7.4.160.0150.00016.44
7.4.150.0180.00017.40
7.4.140.0080.01217.86
7.4.130.0070.01316.35
7.4.120.0110.00616.30
7.4.110.0130.00516.24
7.4.100.0060.01216.35
7.4.90.0040.01416.18
7.4.80.0070.01419.37
7.4.70.0130.00616.13
7.4.60.0070.01016.33
7.4.50.0040.00416.02
7.4.40.0040.01422.27
7.4.30.0100.00616.42
7.3.330.0000.00512.88
7.3.320.0000.00613.01
7.3.310.0000.00716.05
7.3.300.0000.00716.16
7.3.290.0090.00916.15
7.3.280.0080.01116.13
7.3.270.0100.00717.40
7.3.260.0090.00918.24
7.3.250.0130.00416.24
7.3.240.0100.01016.18
7.3.230.0100.00716.39
7.3.210.0030.01416.42
7.3.200.0220.00019.39
7.3.190.0070.01016.41
7.3.180.0060.01016.29
7.3.170.0150.00816.27
7.3.160.0130.00316.38
7.2.330.0060.01216.37
7.2.320.0050.01616.29
7.2.310.0080.00816.07
7.2.300.0060.01016.48
7.2.290.0110.00816.57
5.4.110.0000.07316.21
5.4.100.0030.07716.25
5.4.90.0030.07016.33
5.4.80.0000.06716.34
5.4.70.0100.04316.23
5.4.60.0100.06716.24
5.4.50.0100.06016.22
5.4.40.0000.07716.48
5.4.30.0030.05316.35
5.4.20.0000.05316.22
5.4.10.0030.07316.22
5.4.00.0030.07015.74
5.3.210.0030.07714.53
5.3.200.0030.07314.54
5.3.190.0100.05314.54
5.3.180.0100.06314.40
5.3.170.0000.07314.49
5.3.160.0070.07314.53
5.3.150.0000.07314.54
5.3.140.0030.07714.53
5.3.130.0030.07014.40
5.3.120.0000.07014.53
5.3.110.0000.08014.49
5.3.100.0100.06713.94
5.3.90.0000.07014.00
5.3.80.0130.07013.99
5.3.70.0030.06313.94
5.3.60.0000.07013.89
5.3.50.0030.06013.92
5.3.40.0030.07313.93
5.3.30.0030.07013.84
5.3.20.0000.07313.62
5.3.10.0070.06713.57
5.3.00.0030.06313.56

preferences:
41.54 ms | 401 KiB | 5 Q