3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'aaa'; count($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)
8.3.60.0150.00616.50
8.3.50.0070.00716.22
8.3.40.0150.00318.73
8.3.30.0120.00618.59
8.3.20.0030.00522.09
8.3.10.0080.00021.73
8.3.00.0030.00617.78
8.2.180.0110.00416.50
8.2.170.0070.00722.96
8.2.160.0070.00720.52
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00021.03
8.2.120.0040.00426.35
8.2.110.0060.00322.30
8.2.100.0070.00417.78
8.2.90.0040.00417.97
8.2.80.0030.00617.63
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0060.00718.07
8.2.40.0050.00319.94
8.2.30.0000.00818.11
8.2.20.0000.00717.91
8.2.10.0050.00217.98
8.2.00.0060.00318.09
8.1.280.0070.00725.92
8.1.270.0040.00421.91
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0130.00323.82
8.1.230.0030.01020.98
8.1.220.0070.00017.79
8.1.210.0040.00418.78
8.1.200.0090.00017.48
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.62
8.1.160.0050.00318.88
8.1.150.0050.00218.86
8.1.140.0000.00719.48
8.1.130.0000.00718.94
8.1.120.0040.00417.35
8.1.110.0040.00417.49
8.1.100.0030.00517.43
8.1.90.0050.00217.45
8.1.80.0040.00417.37
8.1.70.0030.00317.35
8.1.60.0040.00417.57
8.1.50.0060.00317.52
8.1.40.0080.00017.50
8.1.30.0000.00817.71
8.1.20.0070.00017.64
8.1.10.0080.00017.61
8.1.00.0040.00417.54
8.0.300.0040.00419.95
8.0.290.0080.00016.75
8.0.280.0000.00718.28
8.0.270.0000.00717.09
8.0.260.0070.00016.81
8.0.250.0000.00716.97
8.0.240.0000.00716.96
8.0.230.0000.00816.84
8.0.220.0000.00716.76
8.0.210.0070.00016.79
8.0.200.0030.00316.97
8.0.190.0080.00016.93
8.0.180.0070.00016.77
8.0.170.0070.00017.00
8.0.160.0030.00316.84
8.0.150.0080.00016.75
8.0.140.0050.00216.86
8.0.130.0030.00413.33
8.0.120.0080.00016.96
8.0.110.0000.00816.96
8.0.100.0050.00216.98
8.0.90.0040.00416.98
8.0.80.0070.00716.89
8.0.70.0000.00816.81
8.0.60.0000.00716.83
8.0.50.0040.00417.01
8.0.30.0080.01116.95
8.0.20.0090.01017.40
8.0.10.0000.00817.05
8.0.00.0170.01316.96
7.4.330.0050.00015.55
7.4.320.0070.00016.49
7.4.300.0000.00616.59
7.4.290.0030.00616.57
7.4.280.0040.00416.39
7.4.270.0080.00016.54
7.4.260.0030.00313.28
7.4.250.0090.00016.56
7.4.240.0030.00516.45
7.4.230.0030.00316.57
7.4.220.0100.00716.64
7.4.210.0070.01016.54
7.4.200.0000.00716.49
7.4.160.0050.01216.49
7.4.150.0170.00017.40
7.4.140.0110.00917.86
7.4.130.0110.00716.53
7.4.120.0130.00816.54
7.4.110.0130.00616.44
7.4.100.0060.01016.61
7.4.90.0070.01116.69
7.4.80.0110.00619.39
7.4.70.0070.01016.55
7.4.60.0120.00916.43
7.4.50.0040.01516.45
7.4.40.0120.00416.34
7.4.30.0110.00616.34
7.4.10.0100.01014.66
7.4.00.0050.00914.95
7.3.330.0000.00513.13
7.3.320.0000.00612.99
7.3.310.0040.00416.11
7.3.300.0000.00716.07
7.3.290.0030.00316.29
7.3.280.0080.00916.22
7.3.270.0130.00317.40
7.3.260.0140.00616.33
7.3.250.0100.00816.40
7.3.240.0100.00716.30
7.3.230.0060.01116.25
7.3.210.0100.00616.32
7.3.200.0140.00316.41
7.3.190.0040.01216.27
7.3.180.0120.00416.45
7.3.170.0120.00416.28
7.3.160.0030.01316.24
7.3.130.0130.00614.77
7.3.120.0060.01114.77
7.3.110.0070.01014.77
7.3.100.0050.01014.63
7.3.90.0060.00514.75
7.3.80.0060.00714.68
7.3.70.0020.00814.64
7.3.60.0020.01114.59
7.3.50.0090.00614.77
7.3.40.0080.00614.58
7.3.30.0110.00514.61
7.3.20.0100.00516.73
7.3.10.0040.01116.31
7.3.00.0030.01016.67
7.2.330.0210.01016.63
7.2.320.0150.00316.46
7.2.310.0100.00716.41
7.2.300.0130.00716.32
7.2.290.0060.01116.34
7.2.260.0030.01514.87
7.2.250.0060.01315.09
7.2.240.0050.00814.93
7.2.230.0030.01014.83
7.2.220.0060.00814.59
7.2.210.0020.01414.90
7.2.200.0030.01115.00
7.2.190.0090.00714.84
7.2.180.0080.00814.97
7.2.170.0020.01215.02
7.2.160.0050.01114.67
7.2.150.0110.00616.73
7.2.140.0030.01016.80
7.2.130.0060.00716.92
7.2.120.0040.01116.77
7.2.110.0120.00516.72
7.2.100.0090.00616.65
7.2.90.0030.01016.88
7.2.80.0070.00816.87
7.2.70.0060.01216.50
7.2.60.0090.00616.78
7.2.50.0100.00516.83
7.2.40.0050.01216.86
7.2.30.0080.00516.70
7.2.20.0110.00416.89
7.2.10.0020.01516.74
7.2.00.0020.01217.64
7.1.330.0060.00615.63
7.1.320.0090.00215.62
7.1.310.0050.01115.67
7.1.300.0060.00915.56
7.1.290.0060.00715.67
7.1.280.0060.00815.79
7.1.270.0060.00815.52
7.1.260.0050.01015.65
7.1.250.0080.00615.59
7.1.240.0030.00615.83
7.1.230.0090.00015.80
7.1.220.0000.01515.77
7.1.210.0040.00815.84
7.1.200.0010.01015.82
7.1.190.0070.01015.83
7.1.180.0070.00715.75
7.1.170.0000.01415.46
7.1.160.0000.01615.45
7.1.150.0000.01115.85
7.1.140.0170.00015.86
7.1.130.0090.00915.64
7.1.120.0070.00315.48
7.1.110.0110.00615.55
7.1.100.0020.00916.97
7.1.90.0040.00715.87
7.1.80.0040.01015.64
7.1.70.0030.00916.48
7.1.60.0100.01125.42
7.1.50.0130.01225.04
7.1.40.0160.00525.11
7.1.30.0170.00324.93
7.1.20.0120.01024.97
7.1.10.0060.00816.07
7.1.00.0030.01316.02
7.0.330.0090.00315.23
7.0.320.0000.01215.25
7.0.310.0060.00615.02
7.0.300.0150.00015.25
7.0.290.0060.00615.34
7.0.280.0060.00615.45
7.0.270.0090.00915.13
7.0.260.0030.00715.32
7.0.250.0000.01515.28
7.0.240.0060.00615.36
7.0.230.0030.00615.41
7.0.220.0030.01015.51
7.0.210.0030.00815.05
7.0.200.0050.00816.07
7.0.190.0050.00715.96
7.0.180.0040.00915.81
7.0.170.0080.00315.67
7.0.160.0080.00715.71
7.0.150.0050.00815.78
7.0.140.0060.00615.87
7.0.130.0000.01215.96
7.0.120.0030.01015.89
7.0.110.0120.00715.92
7.0.100.0030.01315.72
7.0.90.0030.00815.69
7.0.80.0050.00715.72
7.0.70.0050.00615.82
7.0.60.0040.00615.65
7.0.50.0060.00615.79
7.0.40.0050.00815.00
7.0.30.0070.00614.89
7.0.20.0020.01314.83
7.0.10.0080.00314.84
7.0.00.0030.01015.00
5.6.400.0100.00314.22
5.6.390.0140.00014.43
5.6.380.0080.00414.46
5.6.370.0070.01014.41
5.6.360.0110.00314.43
5.6.350.0030.00914.12
5.6.340.0000.01214.08
5.6.330.0040.01414.42
5.6.320.0070.00814.17
5.6.310.0030.00914.08
5.6.300.0060.00614.43
5.6.290.0000.01114.34
5.6.280.0060.00914.19
5.6.270.0030.00914.33
5.6.260.0060.00614.05
5.6.250.0070.00714.05
5.6.240.0090.00614.06
5.6.230.0000.01114.23
5.6.220.0070.00714.22
5.6.210.0040.01114.33
5.6.200.0100.00014.18
5.6.190.0090.00314.13
5.6.180.0040.00813.93
5.6.170.0060.00314.04
5.6.160.0000.01014.20
5.6.150.0090.00314.06
5.6.140.0090.00413.98
5.6.130.0000.01314.33
5.6.120.0100.00713.90
5.6.110.0030.01414.13
5.6.100.0070.00714.24
5.6.90.0040.01214.25
5.6.80.0100.00714.08
5.6.70.0130.00314.16
5.6.60.0030.01014.26
5.6.50.0030.00814.26
5.6.40.0150.00014.01
5.6.30.0060.00914.13
5.6.20.0000.01514.02
5.6.10.0000.01514.11
5.6.00.0040.01114.22

preferences:
50.55 ms | 400 KiB | 5 Q