3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = " hello world"; $text[0] = null; var_dump($text);

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)
8.3.60.0140.00016.88
8.3.50.0320.00321.16
8.3.40.0070.00718.82
8.3.30.0140.00018.97
8.3.20.0050.00220.34
8.3.10.0030.00523.66
8.3.00.0050.00323.48
8.2.180.0050.01018.66
8.2.170.0090.00919.07
8.2.160.0110.00322.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0060.00321.09
8.2.120.0030.00626.35
8.2.110.0090.00020.34
8.2.100.0070.00317.92
8.2.90.0040.00419.26
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0000.00822.34
8.2.30.0000.00720.55
8.2.20.0040.00417.64
8.2.10.0070.00318.18
8.2.00.0040.00417.98
8.1.280.0120.00325.92
8.1.270.0030.00623.89
8.1.260.0070.00028.09
8.1.250.0070.00728.09
8.1.240.0030.00623.76
8.1.230.0080.00320.89
8.1.220.0080.00017.77
8.1.210.0050.00318.77
8.1.200.0040.00417.23
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0030.00618.57
8.1.160.0030.00620.75
8.1.150.0000.00818.89
8.1.140.0060.00319.50
8.1.130.0000.00717.60
8.1.120.0030.00417.54
8.1.110.0040.00417.43
8.1.100.0040.00417.42
8.1.90.0040.00417.40
8.1.80.0060.00317.46
8.1.70.0020.00517.46
8.1.60.0000.00817.56
8.1.50.0080.00017.53
8.1.40.0030.00517.54
8.1.30.0040.00417.71
8.1.20.0000.00717.60
8.1.10.0040.00417.60
8.1.00.0030.00917.52
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0040.00418.38
8.0.270.0000.00717.25
8.0.260.0000.00717.26
8.0.250.0070.00016.93
8.0.240.0000.00716.96
8.0.230.0030.00316.97
8.0.220.0030.00316.96
8.0.210.0000.00816.86
8.0.200.0030.00317.02
8.0.190.0040.00416.97
8.0.180.0000.00716.97
8.0.170.0000.00716.89
8.0.160.0000.00716.96
8.0.150.0000.00716.73
8.0.140.0000.00716.87
8.0.130.0000.00513.42
8.0.120.0040.00416.88
8.0.110.0050.00216.95
8.0.100.0090.00017.01
8.0.90.0040.00416.78
8.0.80.0060.00916.90
8.0.70.0040.00416.97
8.0.60.0050.00316.95
8.0.50.0050.00317.06
8.0.30.0120.00817.16
8.0.20.0100.00817.40
8.0.10.0050.00316.95
8.0.00.0060.01216.67
7.4.330.0030.00216.81
7.4.320.0060.00016.39
7.4.300.0060.00016.50
7.4.290.0030.00316.61
7.4.280.0060.00316.57
7.4.270.0030.00316.61
7.4.260.0030.00316.48
7.4.250.0040.00316.41
7.4.240.0020.00516.56
7.4.230.0030.00316.41
7.4.220.0070.01516.58
7.4.210.0080.01016.62
7.4.200.0080.00016.62
7.4.160.0120.00316.42
7.4.150.0120.00617.40
7.4.140.0080.01017.86
7.4.130.0090.00916.53
7.4.120.0090.00916.52
7.4.110.0110.00716.50
7.4.100.0090.01016.28
7.4.90.0060.01116.32
7.4.80.0070.01419.39
7.4.70.0140.00316.47
7.4.60.0070.01416.53
7.4.50.0000.01116.48
7.4.40.0070.01016.60
7.4.30.0180.00316.51
7.4.00.0080.00815.17
7.3.330.0030.00313.23
7.3.320.0020.00313.07
7.3.310.0070.00016.17
7.3.300.0000.00716.23
7.3.290.0040.00416.34
7.3.280.0090.00716.31
7.3.270.0110.00517.40
7.3.260.0130.00316.52
7.3.250.0080.01016.34
7.3.240.0090.00816.35
7.3.230.0060.01316.39
7.3.210.0110.00716.40
7.3.200.0100.00716.33
7.3.190.0040.01216.37
7.3.180.0080.00816.43
7.3.170.0060.01016.55
7.3.160.0060.01016.33
7.2.330.0030.01416.44
7.2.320.0000.01516.60
7.2.310.0150.00616.63
7.2.300.0070.01116.46
7.2.290.0110.00616.50
7.2.60.0040.01016.95
7.2.00.0000.01219.21
7.1.200.0070.00715.73
7.1.100.0030.00917.94
7.1.70.0000.01417.23
7.1.60.0190.00619.06
7.1.50.0040.01416.93
7.1.00.0030.07722.51
7.0.200.0180.00314.66
7.0.60.0170.06719.97
7.0.50.0070.05017.66
7.0.40.0070.04720.20
7.0.30.0170.04720.34
7.0.20.0230.08020.16
7.0.10.0000.04720.09
7.0.00.0000.04320.16
5.6.280.0030.03021.02
5.6.210.0070.07720.69
5.6.200.0070.04018.21
5.6.190.0030.04320.64
5.6.180.0200.04020.60
5.6.170.0270.04020.47
5.6.160.0000.04720.40
5.6.150.0000.05018.18
5.6.140.0100.04718.21
5.6.130.0070.07718.21
5.6.120.0130.08020.99
5.6.110.0130.05721.11
5.6.100.0070.06321.10
5.6.90.0070.08321.02
5.6.80.0070.07720.52
5.5.350.0270.08020.43
5.5.340.0070.04017.98
5.5.330.0070.07720.37
5.5.320.0200.04720.29
5.5.310.0230.03320.30
5.5.300.0030.04317.98
5.5.290.0070.06017.98
5.5.280.0100.07720.64
5.5.270.0070.08320.79
5.5.260.0100.05020.79
5.5.250.0030.04320.57
5.5.240.0200.07720.34

preferences:
79.85 ms | 401 KiB | 5 Q