3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ret_str = "online shell "; $ret_str = preg_replace("/[^A-Za-z0-9_]/", '', $ret_str); $ret_str = preg_replace("/[_]+/", '_', $ret_str); echo $ret_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)
8.3.70.0180.00318.53
8.3.60.0120.00318.55
8.3.50.0130.00821.99
8.3.40.0040.01118.96
8.3.30.0070.00720.23
8.3.20.0070.00020.07
8.3.10.0040.00422.21
8.3.00.0040.00422.52
8.2.190.0160.00616.58
8.2.180.0130.00316.63
8.2.170.0090.00622.96
8.2.160.0040.01122.20
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0040.00419.89
8.2.110.0090.00022.22
8.2.100.0080.00317.84
8.2.90.0030.00519.16
8.2.80.0060.00319.33
8.2.70.0050.00317.88
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0030.00618.03
8.2.30.0000.00918.05
8.2.20.0050.00317.80
8.2.10.0060.00317.98
8.2.00.0060.00317.75
8.1.280.0140.00025.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.89
8.1.230.0080.00419.01
8.1.220.0080.00017.77
8.1.210.0030.00618.77
8.1.200.0090.00017.35
8.1.190.0030.00617.30
8.1.180.0040.00419.13
8.1.170.0050.00318.57
8.1.160.0040.00422.01
8.1.150.0040.00418.71
8.1.140.0060.00317.43
8.1.130.0040.00417.71
8.1.120.0040.00417.56
8.1.110.0000.00717.48
8.1.100.0040.00417.45
8.1.90.0040.00417.55
8.1.80.0000.00717.54
8.1.70.0040.00417.52
8.1.60.0050.00317.56
8.1.50.0080.00017.63
8.1.40.0030.00617.50
8.1.30.0080.00017.55
8.1.20.0000.00817.75
8.1.10.0060.00317.63
8.1.00.0040.00417.63
8.0.300.0000.00818.77
8.0.290.0000.00717.16
8.0.280.0070.00018.39
8.0.270.0070.00317.29
8.0.260.0030.00316.89
8.0.250.0070.00016.97
8.0.240.0000.00717.07
8.0.230.0070.00016.98
8.0.220.0030.00316.93
8.0.210.0030.00316.86
8.0.200.0030.00317.03
8.0.190.0000.00717.08
8.0.180.0000.00816.96
8.0.170.0020.00516.94
8.0.160.0000.00716.95
8.0.150.0000.00716.95
8.0.140.0040.00416.86
8.0.130.0030.00313.38
8.0.120.0000.00916.84
8.0.110.0000.00716.80
8.0.100.0020.00516.82
8.0.90.0040.00417.02
8.0.80.0070.01416.93
8.0.70.0070.00016.98
8.0.60.0000.00716.81
8.0.50.0050.00316.86
8.0.30.0130.00617.31
8.0.20.0080.01117.40
8.0.10.0040.00417.19
8.0.00.0110.00716.82
7.4.330.0060.00015.00
7.4.320.0060.00016.70
7.4.300.0030.00316.65
7.4.290.0030.00316.71
7.4.280.0030.00316.57
7.4.270.0000.00616.54
7.4.260.0000.00816.61
7.4.250.0040.00416.71
7.4.240.0020.00616.65
7.4.230.0040.00416.82
7.4.220.0090.00916.64
7.4.210.0070.00916.72
7.4.200.0070.00016.44
7.4.190.0030.00316.88
7.4.160.0070.01016.75
7.4.150.0030.01317.40
7.4.140.0120.00717.86
7.4.130.0070.01116.72
7.4.120.0070.01016.68
7.4.110.0130.01016.70
7.4.100.0090.00916.59
7.4.90.0070.01016.66
7.4.80.0040.01519.39
7.4.70.0070.01016.66
7.4.60.0090.00916.52
7.4.50.0030.00516.50
7.4.40.0040.01422.77
7.4.30.0140.00316.74
7.4.00.0030.01514.91
7.3.330.0050.00013.23
7.3.320.0060.00013.07
7.3.310.0000.00716.19
7.3.300.0000.00716.25
7.3.290.0110.00316.31
7.3.280.0070.01216.34
7.3.270.0090.00817.40
7.3.260.0130.01016.66
7.3.250.0080.00916.35
7.3.240.0070.01016.72
7.3.230.0100.00716.57
7.3.210.0080.00816.73
7.3.200.0110.00619.39
7.3.190.0030.01516.53
7.3.180.0180.00316.55
7.3.170.0090.01116.34
7.3.160.0060.00916.74
7.3.120.0040.01315.07
7.3.110.0030.01414.76
7.3.100.0060.00614.86
7.3.90.0030.01214.67
7.3.80.0050.00815.06
7.3.70.0100.00715.07
7.3.60.0040.00815.00
7.3.50.0080.00614.98
7.3.40.0090.00614.85
7.3.30.0060.01214.93
7.3.20.0000.01516.58
7.3.10.0110.00316.66
7.3.00.0090.00616.66
7.2.330.0000.01716.82
7.2.320.0110.00616.76
7.2.310.0110.00616.70
7.2.300.0110.00616.55
7.2.290.0130.00316.68
7.2.250.0070.01115.25
7.2.240.0040.01514.78
7.2.230.0120.00415.23
7.2.220.0030.00915.19
7.2.210.0040.01414.90
7.2.200.0070.00315.01
7.2.190.0040.00815.27
7.2.180.0070.00414.86
7.2.170.0070.01015.20
7.2.00.0060.00919.71
7.1.330.0030.00916.09
7.1.320.0000.01015.75
7.1.310.0060.01215.91
7.1.300.0030.01015.74
7.1.290.0090.00615.75
7.1.280.0120.00615.82
7.1.270.0000.01016.05
7.1.260.0040.01215.61
7.1.100.0030.01218.59
7.1.70.0000.01217.52
7.1.60.0090.01619.43
7.1.50.0100.01417.13
7.1.00.0030.03322.32
7.0.200.0040.00416.91
7.0.140.0070.07021.97
7.0.60.0100.07719.93
7.0.50.0070.03717.89
7.0.40.0000.06720.29
7.0.30.0470.06320.14
7.0.20.0300.07720.34
7.0.10.0330.04720.19
7.0.00.0130.07720.13
5.6.280.0030.07321.01
5.6.210.0030.08020.45
5.6.200.0030.04318.12
5.6.190.0100.08020.40
5.6.180.0230.06020.39
5.6.170.0130.04320.37
5.6.160.0130.04720.50
5.6.150.0170.07318.18
5.6.140.0170.06018.09
5.6.130.0030.04318.09
5.6.120.0070.08321.02
5.6.110.0130.06021.08
5.6.100.0030.07020.96
5.6.90.0100.07020.87
5.6.80.0100.03320.53
5.6.70.0200.04720.42
5.5.350.0030.07320.29
5.5.340.0100.04018.02
5.5.330.0070.08320.40
5.5.320.0130.04320.48
5.5.310.0230.05720.18
5.5.300.0030.05317.92
5.5.290.0070.06717.92
5.5.280.0100.03320.79
5.5.270.0030.08020.82
5.5.260.0000.06320.86
5.5.250.0100.04720.60
5.5.240.0030.03720.11
5.4.450.0700.05719.47
5.4.440.0300.05019.64
5.4.430.0130.08319.14
5.4.420.0170.06019.58
5.4.410.0230.05719.32
5.4.400.1370.05718.68
5.4.390.1330.05018.62
5.4.380.0330.04018.60
5.4.370.0100.06018.67
5.4.360.0230.04718.68
5.4.350.0100.04311.97
5.4.340.0070.03611.97
5.4.320.0070.03412.45
5.4.310.0040.04012.45
5.4.300.0100.05012.45
5.4.290.0070.03812.45
5.4.280.0050.04312.35
5.4.270.0030.04112.35
5.4.260.0040.04012.34
5.4.250.0060.03812.34
5.4.240.0130.04718.83
5.4.230.0100.05018.59
5.4.220.0030.05718.63
5.4.210.0100.07318.72
5.4.200.0130.04318.97
5.4.190.0070.05018.97
5.4.180.0070.05318.84
5.4.170.0000.08018.81
5.4.160.0100.05718.84
5.4.150.0070.08018.96
5.4.140.0130.04316.46
5.4.130.0000.05716.21
5.4.120.0030.05016.27
5.4.110.0230.05016.27
5.4.100.0130.04016.27
5.4.90.0070.04716.21
5.4.80.0070.04716.42
5.4.70.0200.03716.26
5.4.60.0030.05316.42
5.4.50.0170.04016.33
5.4.40.0170.04016.30
5.4.30.0070.07016.25
5.4.20.0000.06316.09
5.4.10.0070.05316.17
5.4.00.0130.06015.66
5.3.290.0090.05512.80
5.3.280.0000.05714.29
5.3.270.0000.07714.49
5.3.260.0070.05314.37
5.3.250.0100.04714.44
5.3.240.0070.05014.61
5.3.230.0170.05014.60
5.3.220.0030.05714.58
5.3.210.0030.07714.58
5.3.200.0070.05014.58
5.3.190.0100.04714.48
5.3.180.0100.04314.56
5.3.170.0030.05714.33
5.3.160.0100.04714.26
5.3.150.0100.05014.55
5.3.140.0100.06014.57
5.3.130.0130.07314.55
5.3.120.0030.07314.65
5.3.110.0170.06314.56
5.3.100.0130.04313.92
5.3.90.0030.05313.86
5.3.80.0070.05013.90
5.3.70.0200.05714.04
5.3.60.0200.05713.91
5.3.50.0100.05713.78
5.3.40.0130.07313.78
5.3.30.0070.07013.77
5.3.20.0170.03713.54
5.3.10.0070.04313.74
5.3.00.0100.04313.65
5.2.170.0000.04310.90
5.2.160.0100.05311.04
5.2.150.0130.03711.14
5.2.140.0130.03310.97
5.2.130.0000.04011.19
5.2.120.0070.05010.93
5.2.110.0030.04011.00
5.2.100.0030.04010.93
5.2.90.0070.04011.11
5.2.80.0100.05010.92
5.2.70.0030.04311.10
5.2.60.0070.03711.07
5.2.50.0070.03710.90
5.2.40.0130.04711.00
5.2.30.0030.04010.96
5.2.20.0070.04710.86
5.2.10.0000.04011.01
5.2.00.0000.04010.88
5.1.60.0100.02710.01
5.1.50.0070.03710.14
5.1.40.0000.04010.06
5.1.30.0100.03010.48
5.1.20.0070.03310.43
5.1.10.0000.0539.83
5.1.00.0030.03310.21
5.0.50.0030.0278.69
5.0.40.0070.0208.43
5.0.30.0000.0478.30
5.0.20.0030.0238.10
5.0.10.0070.0238.38
5.0.00.0030.0508.22
4.4.90.0070.0175.91
4.4.80.0000.0205.77
4.4.70.0070.0175.77
4.4.60.0030.0205.90
4.4.50.0030.0205.79
4.4.40.0070.0305.77
4.4.30.0070.0175.75
4.4.20.0000.0235.84
4.4.10.0070.0205.89
4.4.00.0070.0275.93
4.3.110.0030.0305.72
4.3.100.0070.0175.68
4.3.90.0000.0205.67
4.3.80.0030.0436.53
4.3.70.0070.0236.53
4.3.60.0100.0176.53
4.3.50.0100.0206.53
4.3.40.0100.0276.53
4.3.30.0030.0206.53
4.3.20.0000.0236.53
4.3.10.0000.0236.53
4.3.00.0130.0236.73

preferences:
33.95 ms | 401 KiB | 5 Q