3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str=''; for($i=0;$i<9999;++$i){ $str.='a'; } var_dump($str);

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)
8.3.60.0100.01016.50
8.3.50.0040.01116.36
8.3.40.0130.00318.90
8.3.30.0060.00918.57
8.3.20.0050.00321.87
8.3.10.0040.00421.70
8.3.00.0060.00319.56
8.2.180.0120.00618.28
8.2.170.0110.00422.96
8.2.160.0000.01419.33
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0040.00420.70
8.2.120.0040.00426.35
8.2.110.0070.00320.84
8.2.100.0060.00617.84
8.2.90.0030.00519.23
8.2.80.0030.00517.97
8.2.70.0000.00917.63
8.2.60.0060.00318.05
8.2.50.0080.00018.10
8.2.40.0040.00420.55
8.2.30.0060.00319.34
8.2.20.0040.00418.18
8.2.10.0060.00318.20
8.2.00.0050.00318.12
8.1.280.0110.01125.92
8.1.270.0080.00023.91
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00719.26
8.1.230.0070.00420.48
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0100.00017.48
8.1.190.0060.00317.13
8.1.180.0040.00418.10
8.1.170.0040.00418.72
8.1.160.0040.00418.85
8.1.150.0040.00418.84
8.1.140.0040.00419.55
8.1.130.0000.00718.89
8.1.120.0070.00017.42
8.1.110.0030.00617.44
8.1.100.0000.00817.52
8.1.90.0050.00317.38
8.1.80.0030.00517.50
8.1.70.0040.00417.51
8.1.60.0030.00617.54
8.1.50.0000.00817.52
8.1.40.0000.00817.55
8.1.30.0040.00417.57
8.1.20.0030.00517.68
8.1.10.0060.00317.54
8.1.00.0000.01017.51
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0050.00318.48
8.0.270.0000.00717.36
8.0.260.0070.00418.93
8.0.250.0030.00316.88
8.0.240.0000.00816.99
8.0.230.0070.00016.94
8.0.220.0050.00316.91
8.0.210.0000.00716.92
8.0.200.0000.00717.00
8.0.190.0030.00617.03
8.0.180.0050.00316.98
8.0.170.0040.00416.98
8.0.160.0040.00416.88
8.0.150.0100.00316.77
8.0.140.0070.00016.91
8.0.130.0050.00513.33
8.0.120.0000.00916.94
8.0.110.0070.00017.04
8.0.100.0050.00316.88
8.0.90.0040.00416.98
8.0.80.0090.00616.93
8.0.70.0040.00416.80
8.0.60.0000.00816.92
8.0.50.0050.00216.92
8.0.30.0150.00317.10
8.0.20.0140.00617.40
8.0.10.0040.00416.95
8.0.00.0030.01516.98
7.4.330.0000.00515.55
7.4.320.0000.00716.56
7.4.300.0030.00316.52
7.4.290.0070.00316.49
7.4.280.0060.00316.67
7.4.270.0030.00316.66
7.4.260.0030.00716.62
7.4.250.0000.00716.54
7.4.240.0070.00316.60
7.4.230.0050.00216.54
7.4.220.0060.01316.75
7.4.210.0050.01016.59
7.4.200.0000.00716.43
7.4.160.0090.00716.35
7.4.150.0120.00917.40
7.4.140.0190.00717.86
7.4.130.0170.00916.51
7.4.120.0100.01116.50
7.4.110.0160.00916.45
7.4.100.0160.00016.47
7.4.90.0030.01416.57
7.4.80.0100.01419.39
7.4.70.0150.00616.61
7.4.60.0100.00716.57
7.4.50.0090.00616.53
7.4.40.0190.00816.62
7.4.30.0100.01316.56
7.4.00.0070.01114.93
7.3.330.0050.00013.12
7.3.320.0000.00513.36
7.3.310.0030.00516.51
7.3.300.0000.00716.36
7.3.290.0070.00716.31
7.3.280.0080.01016.35
7.3.270.0060.01217.40
7.3.260.0140.00716.42
7.3.250.0110.00816.63
7.3.240.0080.01216.66
7.3.230.0160.00616.44
7.3.210.0080.00816.29
7.3.200.0060.01216.54
7.3.190.0090.00616.39
7.3.180.0030.01316.66
7.3.170.0120.00616.35
7.3.160.0130.00416.52
7.3.120.0110.00414.92
7.3.110.0040.00814.68
7.3.100.0100.00314.63
7.3.90.0000.01415.20
7.3.80.0090.00614.77
7.3.70.0050.00514.95
7.3.60.0060.00614.95
7.3.50.0030.01014.89
7.3.40.0000.00914.91
7.3.30.0000.00914.99
7.3.20.0040.00816.51
7.3.10.0070.00916.54
7.3.00.0020.01016.66
7.2.330.0030.01316.79
7.2.320.0070.01316.54
7.2.310.0100.01016.78
7.2.300.0000.01816.46
7.2.290.0080.00816.64
7.2.250.0070.01315.09
7.2.240.0000.01515.09
7.2.230.0060.00815.25
7.2.220.0030.01214.98
7.2.210.0100.00615.01
7.2.200.0060.01015.21
7.2.190.0110.00015.22
7.2.180.0000.01015.24
7.2.170.0000.01715.12
7.2.160.0130.00615.05
7.2.150.0090.00617.10
7.2.140.0070.01317.13
7.2.130.0120.00616.84
7.2.120.0070.00816.90
7.2.110.0060.01116.81
7.2.100.0110.00616.75
7.2.90.0030.01116.82
7.2.80.0000.01416.84
7.2.70.0080.00816.74
7.2.60.0040.00716.81
7.2.50.0080.00516.81
7.2.40.0040.00916.71
7.2.30.0090.00616.98
7.2.20.0060.00917.00
7.2.10.0040.01216.90
7.2.00.0050.01016.65
7.1.330.0080.00415.63
7.1.320.0000.01515.74
7.1.310.0030.01015.77
7.1.300.0030.00715.89
7.1.290.0140.00015.81
7.1.280.0000.01415.94
7.1.270.0100.00315.90
7.1.260.0070.01015.63
7.1.250.0090.00615.68
7.1.200.0070.00415.77
7.1.70.0000.00817.27
7.1.60.0070.00317.23
7.1.50.0040.00716.92
7.1.40.0060.00616.50
7.1.30.0000.01116.79
7.1.20.0040.01416.67
7.1.10.0030.00516.52
7.1.00.0030.00516.49
7.0.200.0040.00416.72
7.0.190.0030.00616.61
7.0.180.0000.00816.29
7.0.170.0070.00016.21
7.0.160.0030.00916.27
7.0.150.0040.00416.27
7.0.140.0000.00916.29
7.0.130.0000.01716.47
7.0.120.0030.00716.56
7.0.110.0040.00716.12
7.0.100.0040.00416.28
7.0.90.0030.00616.30
7.0.80.0030.00616.35
7.0.70.0030.00616.30
7.0.60.0040.00416.21
7.0.50.0030.00516.30
7.0.40.0000.00815.76
7.0.30.0030.00615.76
7.0.20.0070.00315.76
7.0.10.0020.00515.76
7.0.00.0050.00315.76

preferences:
59.17 ms | 401 KiB | 5 Q