3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'original'; $refArray = [&$str]; $filtered = array_filter($refArray, fn () => true); $filtered[0] = 'MODIFIED'; echo $str; // array_filter preserves the reference!

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)
8.4.130.0070.01218.57
8.4.120.0110.01019.39
8.4.110.0110.00918.01
8.4.100.0120.00917.55
8.4.90.0130.00720.45
8.4.80.0110.01017.99
8.4.70.0110.01017.70
8.4.60.0120.00918.62
8.4.50.0080.01318.53
8.4.40.0130.00317.54
8.4.30.0130.00720.66
8.4.20.0100.01017.55
8.4.10.0030.00617.56
8.3.260.0090.01016.60
8.3.250.0140.00516.34
8.3.240.0110.00616.25
8.3.230.0100.00916.55
8.3.220.0120.00618.76
8.3.210.0150.00416.84
8.3.200.0100.00316.50
8.3.190.0080.00817.22
8.3.180.0110.00820.15
8.3.170.0100.01018.79
8.3.160.0070.01116.48
8.3.150.0110.00718.79
8.3.140.0080.00016.44
8.3.130.0000.00816.69
8.3.120.0040.00419.01
8.3.110.0030.00620.94
8.3.100.0070.01024.06
8.3.90.0040.00426.77
8.3.80.0070.00316.75
8.3.70.0120.00316.58
8.3.60.0170.00018.43
8.3.50.0100.00317.98
8.3.40.0140.00018.71
8.3.30.0080.00818.63
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0030.00526.16
8.2.290.0130.00616.73
8.2.280.0100.00818.61
8.2.270.0090.00917.35
8.2.260.0120.00618.77
8.2.250.0110.00718.39
8.2.240.0000.00917.18
8.2.230.0060.00322.58
8.2.220.0090.00037.54
8.2.210.0070.01026.77
8.2.200.0030.00616.38
8.2.190.0100.00716.63
8.2.180.0170.00325.92
8.2.170.0150.00418.95
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00419.48
8.2.110.0080.00022.28
8.2.100.0000.01119.95
8.2.90.0040.00417.73
8.2.80.0050.00318.91
8.2.70.0080.00017.93
8.2.60.0030.00617.63
8.2.50.0080.00017.63
8.2.40.0000.00818.01
8.2.30.0040.00418.05
8.2.20.0050.00318.23
8.2.10.0070.00019.27
8.2.00.0030.00319.24
8.1.330.0110.00816.13
8.1.320.0100.00916.14
8.1.310.0040.00416.65
8.1.300.0140.00318.13
8.1.290.0060.00318.88
8.1.280.0090.00625.92
8.1.270.0030.01320.48
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0120.00319.16
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0080.00017.48
8.1.190.0040.00417.35
8.1.180.0080.00018.10
8.1.170.0040.00417.62
8.1.160.0000.00718.88
8.1.150.0030.00718.79
8.1.140.0000.00818.92
8.1.130.0070.00020.14
8.1.120.0040.00417.44
8.1.110.0030.00517.45
8.1.100.0000.00817.46
8.1.90.0040.00417.41
8.1.80.0030.00717.34
8.1.70.0090.00017.49
8.1.60.0000.00717.50
8.1.50.0040.00417.40
8.1.40.0000.00817.45
8.1.30.0030.00617.57
8.1.20.0000.00817.66
8.1.10.0000.00817.61
8.1.00.0050.00317.55
8.0.300.0000.00718.77
8.0.290.0060.00316.58
8.0.280.0040.00418.33
8.0.270.0030.00317.99
8.0.260.0000.00818.37
8.0.250.0070.00016.84
8.0.240.0040.00416.93
8.0.230.0030.00316.91
8.0.220.0060.00316.87
8.0.210.0000.00716.85
8.0.200.0030.00316.96
8.0.190.0000.01016.93
8.0.180.0040.00416.96
8.0.170.0090.00016.83
8.0.160.0000.00716.73
8.0.150.0000.00716.80
8.0.140.0090.00316.89
8.0.130.0060.00013.35
8.0.120.0000.00916.81
8.0.110.0030.00516.80
8.0.100.0040.00416.84
8.0.90.0050.00316.70
8.0.80.0090.00816.87
8.0.70.0070.00016.86
8.0.60.0000.00816.71
8.0.50.0050.00316.94
8.0.30.0050.01016.85
8.0.20.0120.00316.86
8.0.10.0090.00616.91
8.0.00.0030.01616.93
7.4.330.0050.00015.55
7.4.320.0060.00016.54
7.4.300.0000.00616.46
7.4.290.0080.00016.31
7.4.280.0040.00416.60
7.4.270.0050.00216.50
7.4.260.0000.00513.23
7.4.250.0000.00716.59
7.4.240.0050.00216.55
7.4.230.0030.00316.40
7.4.220.0050.00216.43
7.4.210.0120.00716.61
7.4.200.0070.00016.65
7.4.160.0070.00716.53
7.4.150.0080.00516.43
7.4.140.0100.00416.47
7.4.130.0070.00716.49
7.4.120.0080.01216.30
7.4.110.0000.01416.42
7.4.100.0120.00616.68
7.4.90.0060.01216.49
7.4.80.0030.01616.48
7.4.70.0120.00616.41
7.4.60.0040.01216.63
7.4.50.0080.00816.58
7.4.40.0030.01016.40
7.4.30.0070.00716.34
7.4.20.0140.00016.57
7.4.10.0070.00716.44
7.4.00.0100.01016.67
7.3.330.0030.00316.24
7.3.320.0000.00513.07
7.3.310.0030.00316.03
7.3.300.0060.00016.02
7.3.290.0110.00916.22
7.3.270.0110.00316.27
7.3.260.0110.00716.15
7.3.250.0110.00716.13
7.3.240.0080.00616.20
7.3.230.0030.01116.19
7.3.220.0070.01116.12
7.3.210.0140.00416.05
7.3.200.0060.00916.08
7.3.190.0120.00316.15
7.3.180.0120.00316.21
7.3.170.0100.00716.09
7.3.160.0110.00416.10
7.3.150.0030.01016.06
7.3.140.0140.00316.11
7.3.130.0110.00816.15
7.3.120.0140.00316.18
7.3.110.0070.01116.00
7.3.100.0090.00916.03
7.3.90.0060.01216.32
7.3.80.0090.00616.14
7.3.70.0130.00316.21
7.3.60.0090.00916.20
7.3.50.0120.00616.27
7.3.40.0080.00816.27
7.3.30.0070.01016.21
7.3.20.0040.01116.22
7.3.10.0070.01016.09
7.3.00.0030.01416.11

preferences:
30.47 ms | 403 KiB | 5 Q