3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export(preg_replace('/[\s]/mu', '_', 'word1'."\xc2\xa0".'word2 word3'));

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)
8.3.60.0070.00718.18
8.3.50.0230.00821.21
8.3.40.0140.00018.79
8.3.30.0100.00320.35
8.3.20.0080.00020.53
8.3.10.0080.00020.92
8.3.00.0070.00023.54
8.2.180.0170.00316.88
8.2.170.0000.01422.96
8.2.160.0100.01022.09
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00021.09
8.2.110.0090.00921.16
8.2.100.0040.00817.91
8.2.90.0040.00419.05
8.2.80.0080.00018.04
8.2.70.0040.01117.49
8.2.60.0060.00317.90
8.2.50.0040.00418.07
8.2.40.0090.00018.22
8.2.30.0070.00019.49
8.2.20.0000.00817.86
8.2.10.0040.00417.78
8.2.00.0000.00817.70
8.1.280.0060.01025.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00322.19
8.1.230.0070.00422.59
8.1.220.0030.00618.77
8.1.210.0090.00319.08
8.1.200.0060.00317.35
8.1.190.0080.00017.43
8.1.180.0080.00018.10
8.1.170.0040.00418.65
8.1.160.0070.00018.85
8.1.150.0040.00418.63
8.1.140.0000.00717.58
8.1.130.0000.00717.54
8.1.120.0070.00017.54
8.1.110.0040.00417.50
8.1.100.0020.00517.37
8.1.90.0000.00717.53
8.1.80.0040.00417.33
8.1.70.0030.00317.50
8.1.60.0060.00317.59
8.1.50.0040.00417.50
8.1.40.0030.00617.41
8.1.30.0080.00017.63
8.1.20.0060.00317.51
8.1.10.0040.00417.41
8.1.00.0040.00417.30
8.0.300.0040.00419.85
8.0.290.0040.00417.03
8.0.280.0030.00318.35
8.0.270.0000.00716.87
8.0.260.0040.00416.97
8.0.250.0040.00417.02
8.0.240.0080.00017.03
8.0.230.0000.00817.02
8.0.220.0000.00816.93
8.0.210.0030.00317.00
8.0.200.0000.00716.99
8.0.190.0040.00416.92
8.0.180.0000.00716.88
8.0.170.0040.00417.04
8.0.160.0040.00416.86
8.0.150.0050.00316.95
8.0.140.0000.00716.82
8.0.130.0000.00513.36
8.0.120.0040.00416.98
8.0.110.0000.00817.03
8.0.100.0050.00316.87
8.0.90.0030.00316.89
8.0.80.0140.00717.02
8.0.70.0000.00717.15
8.0.60.0030.00517.10
8.0.50.0000.00716.93
8.0.30.0130.00617.07
8.0.20.0110.00717.40
8.0.10.0020.00517.11
8.0.00.0110.00816.85
7.4.330.0000.00615.12
7.4.320.0030.00316.64
7.4.300.0030.00316.79
7.4.290.0030.00316.72
7.4.280.0040.00416.68
7.4.270.0000.00716.77
7.4.260.0050.00013.42
7.4.250.0000.00816.47
7.4.240.0000.00716.77
7.4.230.0030.00316.86
7.4.220.0080.01216.68
7.4.210.0110.00616.73
7.4.200.0070.00016.68
7.4.190.0000.00716.75
7.4.160.0100.00616.50
7.4.150.0140.00917.40
7.4.140.0130.00817.86
7.4.130.0110.00716.59
7.4.120.0070.01016.66
7.4.110.0070.01116.60
7.4.100.0130.00316.64
7.4.90.0130.01016.49
7.4.80.0150.00819.39
7.4.70.0130.01116.67
7.4.60.0090.00916.82
7.4.50.0060.00316.53
7.4.40.0100.00322.77
7.4.30.0100.00716.79
7.4.00.0090.01015.10
7.3.330.0050.00013.09
7.3.320.0050.00213.27
7.3.310.0040.00416.45
7.3.300.0040.00416.30
7.3.290.0110.00316.30
7.3.280.0100.00616.36
7.3.270.0070.01017.40
7.3.260.0150.00818.24
7.3.250.0100.00816.48
7.3.240.0160.00616.43
7.3.230.0070.01016.74
7.3.210.0070.01116.47
7.3.200.0140.01019.39
7.3.190.0120.00916.46
7.3.180.0070.01616.63
7.3.170.0080.00816.58
7.3.160.0080.00816.52
7.3.120.0060.00914.87
7.3.110.0000.01714.89
7.3.100.0030.01014.75
7.3.90.0120.00314.94
7.3.80.0100.00314.97
7.3.70.0110.00314.61
7.3.60.0070.01114.88
7.3.50.0100.00314.74
7.3.40.0040.00814.84
7.3.30.0050.00514.89
7.3.20.0030.00916.66
7.3.10.0060.01016.87
7.3.00.0090.00616.90
7.2.330.0090.00916.45
7.2.320.0060.01316.71
7.2.310.0130.00916.40
7.2.300.0130.00316.51
7.2.290.0100.00616.43
7.2.250.0070.01015.11
7.2.240.0060.01215.06
7.2.230.0090.00615.09
7.2.220.0060.00615.13
7.2.210.0030.01215.06
7.2.200.0120.00315.21
7.2.190.0110.00715.15
7.2.180.0000.01314.93
7.2.170.0060.00914.98
7.2.110.0080.00816.37
7.2.100.0110.00316.35
7.2.90.0110.00816.61
7.2.80.0130.00616.75
7.2.70.0190.00017.06
7.2.60.0160.00317.00
7.2.50.0180.00016.81
7.2.40.0110.00816.73
7.2.30.0100.00716.76
7.2.20.0090.00916.71
7.2.10.0160.00616.81
7.2.00.0050.00618.16
7.1.330.0000.01615.83
7.1.320.0030.00915.73
7.1.310.0070.00715.88
7.1.300.0070.00715.79
7.1.290.0030.00715.82
7.1.280.0070.00715.66
7.1.270.0070.00415.87
7.1.260.0030.00915.75
7.1.230.0170.00015.79
7.1.220.0130.00315.80
7.1.210.0090.00515.76
7.1.200.0050.01015.89
7.1.190.0090.00615.70
7.1.180.0030.01315.86
7.1.170.0130.00015.89
7.1.160.0130.00515.42
7.1.150.0080.00815.61
7.1.140.0030.01315.60
7.1.130.0090.00515.56
7.1.120.0160.00015.79
7.1.110.0080.00515.89
7.1.100.0070.00617.02
7.1.90.0110.00815.93
7.1.80.0000.01915.89
7.1.70.0160.00516.31
7.1.60.0120.00917.58
7.1.50.0080.00816.53
7.1.40.0040.00716.05
7.1.30.0130.00516.10
7.1.20.0060.01315.79
7.1.10.0040.01115.83
7.1.00.0020.02618.97
7.0.310.0080.00815.39
7.0.300.0110.00815.33
7.0.290.0120.00815.31
7.0.280.0070.01115.40
7.0.270.0090.00515.29
7.0.260.0160.00615.48
7.0.250.0090.00615.51
7.0.240.0080.00915.41
7.0.230.0090.00615.50
7.0.220.0110.00715.61
7.0.210.0120.00015.32
7.0.200.0070.00416.06
7.0.190.0120.00415.48
7.0.180.0110.00615.28
7.0.170.0120.00415.55
7.0.160.0150.00715.56
7.0.150.0170.00015.52
7.0.140.0120.03518.81
7.0.130.0030.01015.56
7.0.120.0080.00815.46
7.0.110.0130.00415.16
7.0.100.0170.03217.70
7.0.90.0100.04317.75
7.0.80.0160.03517.64
7.0.70.0170.04317.54
7.0.60.0090.04117.63
7.0.50.0060.03517.89
7.0.40.0080.04216.91
7.0.30.0090.04616.92
7.0.20.0130.03016.84
7.0.10.0080.04016.88
7.0.00.0100.02216.77
5.6.380.0100.00714.41
5.6.370.0140.00314.21
5.6.360.0100.00714.54
5.6.350.0140.00314.20
5.6.340.0100.00714.10
5.6.330.0100.01014.04
5.6.320.0140.00514.33
5.6.310.0120.00014.05
5.6.300.0110.00414.15
5.6.290.0110.00414.16
5.6.280.0120.03417.51
5.6.270.0120.00414.46
5.6.260.0130.00014.50
5.6.250.0100.04517.53
5.6.240.0060.04417.28
5.6.230.0140.02217.52
5.6.220.0100.04117.50
5.6.210.0120.03517.34
5.6.200.0080.03517.59
5.6.190.0120.02017.63
5.6.180.0060.04717.77
5.6.170.0070.04817.63
5.6.160.0090.04117.55
5.6.150.0100.04217.67
5.6.140.0070.02817.59
5.6.130.0090.02917.54
5.6.120.0120.03417.65
5.6.110.0090.04517.67
5.6.100.0020.02917.64
5.6.90.0110.03517.52
5.6.80.0100.03917.33
5.6.70.0050.03417.29
5.6.60.0050.02517.21
5.6.50.0050.02317.37
5.6.40.0030.02317.34
5.6.30.0080.01817.22
5.6.20.0100.03717.29
5.6.10.0050.03717.17
5.6.00.0050.02317.19
5.5.380.0090.03515.63
5.5.370.0090.03315.64
5.5.360.0080.03015.76
5.5.350.0080.03315.62
5.5.340.0050.02516.01
5.5.330.0080.04715.77
5.5.320.0080.02215.92
5.5.310.0070.03715.79
5.5.300.0140.03115.74
5.5.290.0070.04315.99
5.5.280.0020.04215.90
5.5.270.0090.04116.01
5.5.260.0170.03815.79
5.5.250.0080.04015.81
5.5.240.0010.04015.47
5.5.230.0030.03615.65
5.5.220.0050.02815.45
5.5.210.0070.04015.55
5.5.200.0100.03715.52
5.5.190.0020.04315.43
5.5.180.0080.03115.63
5.5.170.0080.00414.11
5.5.160.0070.04415.55
5.5.150.0030.03115.71
5.5.140.0070.03915.63
5.5.130.0070.02315.47
5.5.120.0080.04015.56
5.5.110.0040.04315.40
5.5.100.0050.03815.44
5.5.90.0030.02015.52
5.5.80.0040.03215.43
5.5.70.0070.02815.49
5.5.60.0080.03015.40
5.5.50.0060.03815.53
5.5.40.0070.02315.34
5.5.30.0060.02215.36
5.5.20.0060.03715.34
5.5.10.0100.04015.43
5.5.00.0080.04015.42
5.4.450.0060.02614.95
5.4.440.0090.04215.04
5.4.430.0100.04015.21
5.4.420.0030.04215.18
5.4.410.0100.02115.04
5.4.400.0040.03015.03
5.4.390.0040.02414.99
5.4.380.0060.03814.86
5.4.370.0070.03615.06
5.4.360.0070.03714.88
5.4.350.0070.02915.05
5.4.340.0110.03414.92
5.4.330.0030.00310.90
5.4.320.0070.03315.09
5.4.310.0050.02015.03
5.4.300.0090.02714.98
5.4.290.0030.04015.04
5.4.280.0070.04014.74
5.4.270.0050.03014.92
5.4.260.0080.03715.04
5.4.250.0070.04115.09
5.4.240.0020.02614.82
5.4.230.0090.03214.96
5.4.220.0030.02614.92
5.4.210.0090.03014.86
5.4.200.0050.04014.86
5.4.190.0030.04214.95
5.4.180.0050.03815.08
5.4.170.0080.03814.89
5.4.160.0070.04015.07
5.4.150.0060.01814.90
5.4.140.0070.03113.47
5.4.130.0080.03213.52
5.4.120.0030.03613.43
5.4.110.0000.02613.62
5.4.100.0030.03913.69
5.4.90.0090.03713.77
5.4.80.0000.02113.61
5.4.70.0100.03213.46
5.4.60.0040.01913.58
5.4.50.0030.03213.55
5.4.40.0100.03613.58
5.4.30.0030.04313.59
5.4.20.0050.04013.58
5.4.10.0030.02313.69
5.4.00.0050.02313.33
5.3.290.0030.02812.60
5.3.280.0020.02412.53
5.3.270.0000.04412.60
5.3.260.0030.02112.60
5.3.250.0040.02912.60
5.3.240.0020.02212.59
5.3.230.0040.02012.53
5.3.220.0070.04012.56
5.3.210.0020.02312.58
5.3.200.0050.03912.52
5.3.190.0050.03612.51
5.3.180.0090.03712.58
5.3.170.0040.01912.51
5.3.160.0050.03612.55
5.3.150.0050.04012.51
5.3.140.0010.02612.56
5.3.130.0020.02012.55
5.3.120.0030.03712.49
5.3.110.0030.04012.56
5.3.100.0030.02112.33
5.3.90.0000.02712.32
5.3.80.0030.02412.30
5.3.70.0020.01912.31
5.3.60.0040.02012.26
5.3.50.0030.02012.21
5.3.40.0030.02012.16
5.3.30.0060.01812.19
5.3.20.0020.02012.14
5.3.10.0050.01812.13
5.3.00.0030.02012.13
5.2.170.0070.01211.09
5.2.160.0060.01411.09
5.2.150.0070.01511.09
5.2.140.0000.02211.09
5.2.130.0020.01711.09
5.2.120.0010.01611.09
5.2.110.0080.01211.09
5.2.100.0020.01411.09
5.2.90.0000.01911.09
5.2.80.0030.01711.09
5.2.70.0060.01211.09
5.2.60.0050.01511.09
5.2.50.0000.01911.09
5.2.40.0030.01211.09
5.2.30.0010.01811.09
5.2.20.0050.01511.09
5.2.10.0050.01711.09
5.2.00.0010.01911.09
5.1.60.0090.00711.09
5.1.50.0020.01611.09
5.1.40.0040.01211.09
5.1.30.0030.01311.09
5.1.20.0030.01311.09
5.1.10.0020.01511.09
5.1.00.0020.02511.09
5.0.50.0030.01311.09
5.0.40.0030.00811.09
5.0.30.0030.02211.09
5.0.20.0010.01111.09
5.0.10.0000.01011.09
5.0.00.0000.01611.09
4.4.90.0000.01111.09
4.4.80.0030.01111.09
4.4.70.0020.00811.09
4.4.60.0020.00711.09
4.4.50.0020.01011.09
4.4.40.0000.01411.09
4.4.30.0020.01011.09
4.4.20.0020.01011.09
4.4.10.0000.01011.09
4.4.00.0000.01311.09
4.3.110.0020.00711.09
4.3.100.0010.01011.09
4.3.90.0010.00811.09
4.3.80.0030.01211.09
4.3.70.0000.00911.09
4.3.60.0030.00711.09
4.3.50.0000.01011.09
4.3.40.0040.01011.09
4.3.30.0020.00911.09
4.3.20.0000.01111.09
4.3.10.0000.00911.09
4.3.00.0000.01011.09

preferences:
34.34 ms | 401 KiB | 5 Q