3v4l.org

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

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)
8.3.60.0090.00916.88
8.3.50.0030.01521.08
8.3.40.0000.01518.59
8.3.30.0030.01418.67
8.3.20.0040.00420.07
8.3.10.0070.00021.60
8.3.00.0000.00721.60
8.2.180.0120.00616.75
8.2.170.0100.00722.96
8.2.160.0070.00720.29
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0040.00420.93
8.2.120.0000.00726.35
8.2.110.0000.01019.39
8.2.100.0040.00817.91
8.2.90.0040.00419.06
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0060.00317.93
8.2.50.0050.00318.09
8.2.40.0040.00422.27
8.2.30.0070.00019.41
8.2.20.0040.00417.73
8.2.10.0000.00718.02
8.2.00.0000.00718.15
8.1.280.0030.01225.92
8.1.270.0150.00422.14
8.1.260.0000.00728.09
8.1.250.0000.00728.09
8.1.240.0030.00622.66
8.1.230.0040.00817.83
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0040.00417.36
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0050.00320.66
8.1.150.0000.00718.98
8.1.140.0000.00819.56
8.1.130.0000.00817.59
8.1.120.0040.00417.33
8.1.110.0040.00417.48
8.1.100.0000.00717.36
8.1.90.0000.00817.34
8.1.80.0050.00317.38
8.1.70.0030.00317.34
8.1.60.0080.00017.61
8.1.50.0030.00517.52
8.1.40.0030.00617.52
8.1.30.0090.00017.63
8.1.20.0050.00217.50
8.1.10.0000.00717.44
8.1.00.0080.00017.52
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0070.00018.32
8.0.270.0030.00317.22
8.0.260.0070.00017.04
8.0.250.0030.00316.85
8.0.240.0030.00316.97
8.0.230.0060.00016.96
8.0.220.0060.00316.87
8.0.210.0030.00316.89
8.0.200.0070.00016.94
8.0.190.0040.00416.96
8.0.180.0070.00016.88
8.0.170.0050.00316.96
8.0.160.0080.00016.88
8.0.150.0040.00416.92
8.0.140.0030.00316.93
8.0.130.0030.00313.32
8.0.120.0000.00716.89
8.0.110.0030.00516.76
8.0.100.0000.00716.82
8.0.90.0000.00717.05
8.0.80.0000.01516.97
8.0.70.0000.00716.74
8.0.60.0040.00416.80
8.0.50.0040.00416.82
8.0.30.0110.00617.06
8.0.20.0090.01017.40
8.0.10.0080.00017.18
8.0.00.0090.00916.66
7.4.330.0020.00216.76
7.4.320.0030.00316.54
7.4.300.0040.00416.39
7.4.290.0030.00316.50
7.4.280.0110.00516.59
7.4.270.0070.00016.61
7.4.260.0030.00316.49
7.4.250.0000.00716.44
7.4.240.0030.00316.59
7.4.230.0040.00416.33
7.4.220.0090.00916.55
7.4.210.0030.01016.59
7.4.200.0030.00316.48
7.4.160.0130.00316.68
7.4.150.0090.01017.40
7.4.140.0120.00917.86
7.4.130.0120.00816.47
7.4.120.0070.01116.52
7.4.110.0070.01016.64
7.4.100.0140.01016.48
7.4.90.0090.00916.30
7.4.80.0060.00919.39
7.4.70.0100.01016.47
7.4.60.0100.00716.41
7.4.50.0000.01416.30
7.4.40.0060.01016.39
7.4.30.0150.00416.51
7.4.00.0060.00814.91
7.3.330.0020.00213.19
7.3.320.0020.00213.22
7.3.310.0040.00416.21
7.3.300.0040.00416.32
7.3.290.0080.00916.26
7.3.280.0070.01016.24
7.3.270.0120.00917.40
7.3.260.0100.01016.40
7.3.250.0090.00816.36
7.3.240.0080.00816.27
7.3.230.0160.00616.50
7.3.210.0100.00716.12
7.3.200.0030.01419.39
7.3.190.0100.00716.36
7.3.180.0080.00816.42
7.3.170.0100.01016.28
7.3.160.0090.00616.49
7.3.10.0090.00416.64
7.3.00.0060.00616.36
7.2.330.0120.00616.36
7.2.320.0070.01316.36
7.2.310.0090.00916.59
7.2.300.0120.00416.54
7.2.290.0080.00816.57
7.2.130.0030.01316.74
7.2.120.0000.01216.48
7.2.110.0030.00716.88
7.2.100.0040.00716.73
7.2.90.0060.00616.91
7.2.80.0050.00516.92
7.2.70.0040.01016.92
7.2.60.0060.00616.51
7.2.50.0040.01116.43
7.2.40.0000.00816.54
7.2.30.0100.00616.48
7.2.20.0030.00616.84
7.2.10.0000.01316.91
7.2.00.0030.01018.10
7.1.250.0030.00915.75
7.1.200.0000.01215.47
7.1.100.0060.00618.01
7.1.70.0030.00517.16
7.1.60.0070.01419.40
7.1.50.0090.00516.80
7.1.00.0000.07722.35
7.0.200.0260.00314.69
7.0.60.0230.07321.88
7.0.50.0030.08317.90
7.0.40.0100.05020.30
7.0.30.0330.06720.34
7.0.20.0270.04320.04
7.0.10.0070.09020.13
7.0.00.0070.07720.13
5.6.280.0000.03720.90
5.6.210.0130.07720.55
5.6.200.0270.06718.23
5.6.190.0070.04320.57
5.6.180.0370.06720.54
5.6.170.0330.07020.39
5.6.160.0200.07020.44
5.6.150.0100.06318.14
5.6.140.0030.04718.11
5.6.130.0030.05718.07
5.6.120.0100.08021.11
5.6.110.0000.08721.11
5.6.100.0030.08321.00
5.6.90.0070.08320.98
5.6.80.0070.08320.38
5.5.350.0230.09020.42
5.5.340.0130.07718.01
5.5.330.0070.04020.37
5.5.320.0170.08320.18
5.5.310.0170.05720.21
5.5.300.0130.07717.98
5.5.290.0170.03317.91
5.5.280.0070.07020.96
5.5.270.0030.05020.83
5.5.260.0100.08020.64
5.5.250.0200.07020.52
5.5.240.4170.03320.11

preferences:
59.5 ms | 401 KiB | 5 Q