3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var=[]; for ($k=1;$k<3;$k++) { $var[$k] = 'foo'; } $dbq = ''; //define variable first for ($j=1;$j<3;$j++) { $dbq .= "stuff $var[$j] "; //check syntax change } echo $dbq;

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)
8.5.10.0110.00719.08
8.5.00.0050.00619.71
8.4.150.0010.00114.05
8.4.140.0090.01117.56
8.4.130.0120.00817.87
8.4.120.0110.00920.45
8.4.110.0100.01022.71
8.4.100.0110.00817.71
8.4.90.0050.00418.61
8.4.80.0080.01117.78
8.4.70.0030.00717.99
8.4.60.0050.00320.66
8.4.50.0130.00719.50
8.4.40.0030.00619.49
8.4.30.0050.00320.24
8.4.20.0190.00017.78
8.4.10.0080.00019.63
8.3.280.0130.00818.37
8.3.270.0110.00816.34
8.3.260.0120.00816.84
8.3.250.0130.00618.70
8.3.240.0120.00616.80
8.3.230.0100.01016.75
8.3.220.0130.00617.17
8.3.210.0110.00716.64
8.3.200.0040.00716.55
8.3.190.0110.00517.12
8.3.180.0100.00818.18
8.3.170.0030.00617.05
8.3.160.0090.00918.40
8.3.150.0110.00718.89
8.3.140.0080.00018.39
8.3.130.0040.00418.53
8.3.120.0070.00418.88
8.3.110.0080.00420.94
8.3.100.0120.00624.06
8.3.90.0190.00026.77
8.3.80.0030.00716.63
8.3.70.0170.00316.58
8.3.60.0080.00818.56
8.3.50.0070.01223.65
8.3.40.0140.00618.55
8.3.30.0140.00018.83
8.3.20.0000.00721.02
8.3.10.0080.00021.77
8.3.00.0080.00023.70
8.2.290.0110.00620.32
8.2.280.0090.01118.20
8.2.270.0130.00717.25
8.2.260.0140.00416.57
8.2.250.0000.00816.78
8.2.240.0100.00017.15
8.2.230.0070.00022.58
8.2.220.0060.00337.54
8.2.210.0040.01126.77
8.2.200.0040.00718.16
8.2.190.0090.00618.07
8.2.180.0140.00725.92
8.2.170.0040.01119.02
8.2.160.0140.00022.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00726.16
8.2.110.0060.00619.39
8.2.100.0060.00617.91
8.2.90.0060.00317.88
8.2.80.0080.00018.92
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0000.00918.05
8.2.40.0070.00018.34
8.2.30.0000.00719.34
8.2.20.0040.00418.12
8.2.10.0070.00019.31
8.2.00.0050.00319.24
8.1.330.0130.00523.64
8.1.320.0110.01016.02
8.1.310.0070.00716.58
8.1.300.0150.00418.18
8.1.290.0030.00630.84
8.1.280.0170.00325.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0060.00321.42
8.1.230.0060.00620.98
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0040.00417.35
8.1.190.0030.00617.13
8.1.180.0000.00818.10
8.1.170.0040.00417.62
8.1.160.0040.00418.83
8.1.150.0030.00618.89
8.1.140.0070.00020.61
8.1.130.0030.00320.26
8.1.120.0080.00017.40
8.1.110.0050.00517.31
8.1.100.0050.00317.33
8.1.90.0040.00417.36
8.1.80.0000.00817.43
8.1.70.0000.00717.37
8.1.60.0060.00317.56
8.1.50.0030.00617.46
8.1.40.0000.00817.35
8.1.30.0000.00817.54
8.1.20.0040.00417.57
8.1.10.0040.00417.57
8.1.00.0040.00417.51
8.0.300.0000.00720.10
8.0.290.0000.00716.75
8.0.280.0070.00018.38
8.0.270.0040.00418.02
8.0.260.0000.00619.99
8.0.250.0000.00716.92
8.0.240.0070.00316.95
8.0.230.0070.00017.01
8.0.220.0000.00716.74
8.0.210.0030.00316.89
8.0.200.0030.00316.94
8.0.190.0080.00016.86
8.0.180.0070.00016.96
8.0.170.0070.00316.92
8.0.160.0050.00316.84
8.0.150.0000.00716.88
8.0.140.0000.00716.78
8.0.130.0000.00513.30
8.0.120.0040.00416.79
8.0.110.0040.00416.70
8.0.100.0040.00416.86
8.0.90.0060.00316.76
8.0.80.0020.01516.83
8.0.70.0040.00416.76
8.0.60.0050.00216.84
8.0.50.0000.00816.84
8.0.30.0040.01316.88
8.0.20.0110.00917.04
8.0.10.0000.00716.93
8.0.00.0120.00616.61
7.4.330.0020.00216.73
7.4.320.0040.00416.43
7.4.300.0060.00016.36
7.4.290.0000.00716.56
7.4.280.0040.00416.42
7.4.270.0030.00316.45
7.4.260.0000.00513.28
7.4.250.0000.00716.43
7.4.240.0070.00016.43
7.4.230.0030.00316.44
7.4.220.0030.00316.36
7.4.210.0050.00916.51
7.4.200.0040.00416.35
7.4.130.0120.00616.56
7.4.120.0090.01216.57
7.4.110.0070.01016.32
7.4.100.0060.01116.49
7.4.90.0140.00316.66
7.4.80.0110.01119.39
7.4.70.0150.00816.43
7.4.60.0070.01116.39
7.4.50.0050.00516.30
7.4.40.0130.00316.49
7.4.20.0100.01316.41
7.4.10.0070.01416.49
7.4.00.0100.01016.51
7.3.330.0040.00416.38
7.3.320.0050.00013.07
7.3.310.0040.00416.46
7.3.300.0030.00316.32
7.3.290.0110.00316.33
7.3.280.0150.00616.27
7.3.260.0080.01616.23
7.3.240.0110.00716.29
7.3.230.0190.00016.63
7.3.210.0080.00816.35
7.3.200.0030.01316.53
7.3.190.0090.00916.38
7.3.180.0030.01416.59
7.3.170.0160.00616.54
7.3.160.0080.00816.60
7.3.140.0120.00516.39
7.3.130.0120.00816.57
7.3.120.0140.01616.42
7.3.110.0060.01516.27
7.3.100.0070.01316.46
7.3.90.0130.01016.56
7.3.80.0130.00916.66
7.3.70.0120.01016.18
7.3.60.0120.00916.37
7.3.50.0060.01616.34
7.3.40.0130.00916.30
7.3.30.0130.00816.27
7.3.20.0140.01116.29
7.3.10.0160.01116.34
7.3.00.0140.00916.45
7.2.330.0070.01116.50
7.2.320.0030.01316.77
7.2.310.0090.01316.78
7.2.300.0100.00716.60
7.2.290.0120.00916.58
7.2.270.0100.01316.44
7.2.260.0180.01216.60
7.2.250.0120.01116.55
7.2.240.0110.01016.71
7.2.230.0110.01216.79
7.2.220.0140.00816.71
7.2.210.0170.01416.61
7.2.200.0080.01416.47
7.2.190.0150.00916.48
7.2.180.0130.01416.50
7.2.170.0040.01416.65
7.2.160.0110.01116.50
7.2.150.0100.01716.52
7.2.140.0090.01516.61
7.2.130.0140.01016.68
7.2.120.0120.00916.73
7.2.110.0050.01416.68
7.2.100.0120.01116.71
7.2.90.0130.01016.66
7.2.80.0140.00916.72
7.2.70.0100.01016.66
7.2.60.0190.00316.53
7.2.50.0080.01216.67
7.2.40.0070.01016.63
7.2.30.0090.00916.71
7.2.20.0070.01416.57
7.2.10.0140.00316.61
7.2.00.0180.00316.71

preferences:
47.15 ms | 403 KiB | 5 Q