3v4l.org

run code in 300+ PHP versions simultaneously
<?php $word = "word,!pineapple--pizza 123"; $revd = preg_replace_callback('#([A-Za-z]+)#', 'rev_first', $word); function rev_first($matches){ return strrev($matches[1]); } var_dump($revd);

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)
8.3.60.0090.00616.75
8.3.50.0130.00822.80
8.3.40.0070.00718.96
8.3.30.0000.01419.18
8.3.20.0000.00720.20
8.3.10.0080.00023.48
8.3.00.0120.00617.38
8.2.180.0090.00916.88
8.2.170.0150.00022.96
8.2.160.0000.01520.39
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0030.00521.22
8.2.110.0040.00422.21
8.2.100.0110.00018.03
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0080.00018.09
8.2.30.0050.00217.96
8.2.20.0080.00017.81
8.2.10.0040.00417.96
8.2.00.0040.00417.93
8.1.280.0090.00625.92
8.1.270.0040.00423.96
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0070.00323.92
8.1.230.0060.00619.14
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.23
8.1.190.0030.00517.47
8.1.180.0050.00318.10
8.1.170.0000.00818.79
8.1.160.0050.00221.97
8.1.150.0040.00418.81
8.1.140.0040.00417.55
8.1.130.0030.00317.85
8.1.120.0000.00817.45
8.1.110.0000.00817.50
8.1.100.0000.00717.54
8.1.90.0040.00417.49
8.1.80.0000.00717.47
8.1.70.0080.00017.48
8.1.60.0040.00417.62
8.1.50.0000.00817.64
8.1.40.0040.00417.57
8.1.30.0030.00517.59
8.1.20.0080.00017.73
8.1.10.0050.00317.53
8.1.00.0080.00017.59
8.0.300.0000.00818.77
8.0.290.0050.00316.63
8.0.280.0000.00718.34
8.0.270.0000.00717.31
8.0.260.0030.00317.17
8.0.250.0070.00017.02
8.0.240.0030.00316.93
8.0.230.0030.00316.96
8.0.220.0000.00816.89
8.0.210.0000.00716.91
8.0.200.0070.00016.90
8.0.190.0040.00717.04
8.0.180.0000.00816.86
8.0.170.0040.00416.96
8.0.160.0040.00417.02
8.0.150.0050.00316.88
8.0.140.0040.00416.92
8.0.130.0150.00013.14
8.0.120.0000.00716.95
8.0.110.0040.00416.91
8.0.100.0040.00416.93
8.0.90.0000.00816.88
8.0.80.0060.01016.88
8.0.70.0050.00316.83
8.0.60.0000.00716.85
8.0.50.0040.00416.77
8.0.30.0120.00817.37
8.0.20.0100.01117.41
8.0.10.0020.00516.98
8.0.00.0100.01016.89
7.4.330.0030.00315.05
7.4.320.0060.00016.54
7.4.300.0030.00316.58
7.4.290.0030.00316.77
7.4.280.0060.00316.64
7.4.270.0040.00416.75
7.4.260.0070.00016.71
7.4.250.0040.00416.58
7.4.240.0020.00516.65
7.4.230.0000.00716.73
7.4.220.0130.00616.77
7.4.210.0130.00716.79
7.4.200.0000.00816.54
7.4.160.0130.00316.61
7.4.150.0210.00417.40
7.4.140.0130.00517.86
7.4.130.0100.00716.67
7.4.120.0140.00416.60
7.4.110.0100.00716.70
7.4.100.0070.01016.59
7.4.90.0060.01316.49
7.4.80.0080.00919.39
7.4.70.0040.01216.54
7.4.60.0100.00716.52
7.4.50.0070.00016.46
7.4.40.0080.00816.60
7.4.30.0080.00816.63
7.4.00.0150.00015.13
7.3.330.0060.00013.45
7.3.320.0050.00013.43
7.3.310.0070.00016.36
7.3.300.0030.00316.39
7.3.290.0140.00716.36
7.3.280.0110.00716.38
7.3.270.0090.00917.40
7.3.260.0100.00716.63
7.3.250.0050.01416.42
7.3.240.0160.00016.37
7.3.230.0130.00416.58
7.3.210.0130.00516.78
7.3.200.0030.01219.39
7.3.190.0100.00716.63
7.3.180.0090.00616.35
7.3.170.0130.00316.40
7.3.160.0090.00616.45
7.3.120.0030.01415.27
7.3.110.0030.01615.10
7.3.100.0060.00614.88
7.3.90.0060.00914.58
7.3.80.0070.00415.22
7.3.70.0040.01115.00
7.3.60.0030.00615.03
7.3.50.0090.00614.81
7.3.40.0110.00414.92
7.3.30.0080.00314.96
7.3.20.0100.00316.74
7.3.10.0030.00916.75
7.3.00.0100.00016.93
7.2.330.0140.00316.71
7.2.320.0120.01116.62
7.2.310.0120.00416.59
7.2.300.0120.01316.88
7.2.290.0170.00416.87
7.2.240.0030.01414.91
7.2.230.0140.00015.20
7.2.220.0100.00715.07
7.2.210.0100.00715.18
7.2.200.0000.01514.97
7.2.190.0110.00415.30
7.2.180.0090.00615.11
7.2.170.0000.01615.15
7.2.160.0000.01215.14
7.2.150.0060.00916.92
7.2.140.0100.00716.93
7.2.130.0040.01117.08
7.2.120.0060.00317.16
7.2.110.0090.00316.95
7.2.100.0000.01316.70
7.2.90.0000.01016.99
7.2.80.0030.01016.80
7.2.70.0070.01017.19
7.2.60.0070.01017.11
7.2.50.0070.01016.87
7.2.40.0030.01316.89
7.2.30.0110.00816.92
7.2.20.0000.01517.19
7.2.10.0070.01117.18
7.2.00.0070.00418.17
7.1.330.0100.00616.09
7.1.320.0070.00715.73
7.1.310.0060.00915.91
7.1.300.0040.01215.68
7.1.290.0040.01115.82
7.1.280.0060.00315.93
7.1.270.0030.00915.95
7.1.260.0070.00715.90
7.1.250.0080.00015.89
7.1.100.0070.01018.45
7.1.70.0030.00617.40
7.1.60.0100.01319.40
7.1.50.0120.01217.17
7.1.00.0030.07722.39
7.0.200.0000.00716.91
7.0.140.0100.06722.11
7.0.60.0130.05019.92
7.0.50.0100.07717.89
7.0.40.0070.04720.32
7.0.30.0230.07020.11
7.0.20.0270.06720.16
7.0.10.0100.06020.08
7.0.00.0030.09320.07
5.6.280.0070.07020.86
5.6.210.0030.08720.77
5.6.200.0130.06018.13
5.6.190.0000.04720.64
5.6.180.0300.06020.68
5.6.170.0330.06020.61
5.6.160.0170.08020.54
5.6.150.0030.08718.18
5.6.140.0100.04318.15
5.6.130.0000.04718.29
5.6.120.0170.07320.97
5.6.110.0170.07320.96
5.6.100.0030.05021.14
5.6.90.0100.06321.11
5.6.80.0230.07020.43
5.5.350.0270.07720.53
5.5.340.0100.03717.98
5.5.330.0130.08020.14
5.5.320.0330.07320.33
5.5.310.0230.08320.52
5.5.300.0170.07018.07
5.5.290.0070.05018.08
5.5.280.0130.04020.80
5.5.270.0070.04320.87
5.5.260.0100.07720.77
5.5.250.0030.08320.68
5.5.240.0030.03020.16
5.4.450.0830.04719.62
5.4.440.0830.06319.30
5.4.430.0670.06319.51
5.4.420.0100.05319.63
5.4.410.0670.05319.11
5.4.400.1170.05318.75
5.4.390.1100.05718.58
5.4.380.0100.04718.67
5.4.370.0100.04318.59
5.4.360.0070.04318.52
5.4.350.0060.04212.02
5.4.340.0090.03512.02
5.4.320.0100.04812.50
5.4.310.0060.04212.50
5.4.300.0080.04112.50
5.4.290.0070.03912.50
5.4.280.0050.03612.40
5.4.270.0050.03812.39
5.4.260.0080.04012.40
5.4.250.0060.03812.39
5.4.240.0040.03812.39
5.4.230.0070.03712.39
5.4.220.0060.03612.39
5.4.210.0050.03512.39
5.4.200.0060.03812.39
5.4.190.0050.03712.38
5.4.180.0050.03712.39
5.4.170.0040.03712.39
5.4.160.0060.03512.39
5.4.150.0050.03512.39
5.4.140.0060.04012.07
5.4.130.0080.03612.06
5.4.120.0050.03912.02
5.4.110.0050.03612.01
5.4.100.0110.03012.02
5.4.90.0100.03312.01
5.4.80.0060.03612.01
5.4.70.0050.03512.01
5.4.60.0050.03612.00
5.4.50.0050.03612.01
5.4.40.0100.03012.00
5.4.30.0050.03512.00
5.4.20.0040.03611.99
5.4.10.0030.03812.00
5.4.00.0050.03611.48
5.3.290.0100.03412.80
5.3.280.0030.04012.71
5.3.270.0040.04112.72
5.3.260.0060.04312.72
5.3.250.0110.04012.72
5.3.240.0080.03512.72
5.3.230.0090.03512.71
5.3.220.0080.03612.68
5.3.210.0040.04112.68
5.3.200.0040.03812.68
5.3.190.0060.03812.68
5.3.180.0060.03512.68
5.3.170.0030.03912.67
5.3.160.0080.03412.67
5.3.150.0050.03812.68
5.3.140.0060.03612.66
5.3.130.0060.03812.65
5.3.120.0060.03912.66
5.3.110.0050.03912.66
5.3.100.0060.03712.12
5.3.90.0020.04012.10
5.3.80.0050.03812.09
5.3.70.0030.03912.09
5.3.60.0050.03712.07
5.3.50.0040.03812.02
5.3.40.0050.04012.02
5.3.30.0070.03711.98
5.3.20.0080.04211.76
5.3.10.0090.03811.72
5.3.00.0060.03711.71
5.2.170.0050.0309.22
5.2.160.0070.0299.22
5.2.150.0040.0319.21
5.2.140.0010.0349.21
5.2.130.0050.0299.17
5.2.120.0070.0269.18
5.2.110.0050.0309.18
5.2.100.0070.0269.17
5.2.90.0060.0379.17
5.2.80.0040.0329.16
5.2.70.0060.0299.17
5.2.60.0030.0319.13
5.2.50.0020.0349.09
5.2.40.0080.0259.07
5.2.30.0030.0309.05
5.2.20.0030.0319.04
5.2.10.0040.0308.93
5.2.00.0030.0308.80
5.1.60.0040.0258.09
5.1.50.0020.0278.09
5.1.40.0060.0228.06
5.1.30.0050.0308.41
5.1.20.0040.0298.43
5.1.10.0040.0268.16
5.1.00.0040.0278.16
5.0.50.0040.0206.63
5.0.40.0030.0206.50
5.0.30.0030.0316.31
5.0.20.0040.0186.27
5.0.10.0040.0216.25
5.0.00.0020.0336.25
4.4.90.0020.0164.78
4.4.80.0040.0144.76
4.4.70.0030.0154.75
4.4.60.0020.0164.76
4.4.50.0040.0144.77
4.4.40.0010.0274.71
4.4.30.0020.0174.76
4.4.20.0040.0144.84
4.4.10.0040.0144.85
4.4.00.0040.0244.76
4.3.110.0040.0144.67
4.3.100.0030.0144.67
4.3.90.0030.0144.63
4.3.80.0050.0224.59
4.3.70.0040.0164.63
4.3.60.0050.0184.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0040.0143.30
4.3.20.0030.0143.28
4.3.10.0020.0163.24
4.3.00.0100.0206.95

preferences:
60.99 ms | 401 KiB | 5 Q