3v4l.org

run code in 300+ PHP versions simultaneously
<?php $abcd="this-is-a-test"; $abcd = preg_replace('/( / *)/','', $abcd); echo $abcd."\n";

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)
8.3.60.0140.00718.56
8.3.50.0070.01222.76
8.3.40.0120.00318.66
8.3.30.0060.00918.66
8.3.20.0040.00420.16
8.3.10.0070.00021.78
8.3.00.0080.00019.43
8.2.180.0130.00916.63
8.2.170.0070.00722.96
8.2.160.0120.00320.39
8.2.150.0000.00724.18
8.2.140.0110.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.34
8.2.110.0100.00019.45
8.2.100.0040.00717.84
8.2.90.0000.00919.05
8.2.80.0050.00317.97
8.2.70.0030.00717.50
8.2.60.0040.00418.03
8.2.50.0050.00318.07
8.2.40.0000.00818.15
8.2.30.0070.00019.37
8.2.20.0040.00417.70
8.2.10.0040.00417.98
8.2.00.0030.00617.73
8.1.280.0100.00725.92
8.1.270.0060.00322.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00421.43
8.1.230.0040.00717.51
8.1.220.0040.00417.79
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0050.00317.10
8.1.180.0000.00818.10
8.1.170.0030.00518.58
8.1.160.0070.00018.77
8.1.150.0000.00718.81
8.1.140.0000.00717.38
8.1.130.0030.00317.73
8.1.120.0030.00617.43
8.1.110.0040.00417.25
8.1.100.0040.00417.29
8.1.90.0050.00317.40
8.1.80.0040.00417.41
8.1.70.0000.00717.23
8.1.60.0030.00617.55
8.1.50.0030.00517.36
8.1.40.0080.00017.45
8.1.30.0040.00417.52
8.1.20.0040.00417.47
8.1.10.0040.00417.51
8.1.00.0030.00517.32
8.0.300.0030.00518.77
8.0.290.0060.00316.75
8.0.280.0060.00018.34
8.0.270.0000.00817.18
8.0.260.0000.00617.22
8.0.250.0070.00017.00
8.0.240.0020.00517.01
8.0.230.0000.00716.99
8.0.220.0070.00016.88
8.0.210.0040.00416.95
8.0.200.0060.00016.94
8.0.190.0070.00017.04
8.0.180.0000.00716.95
8.0.170.0000.00816.98
8.0.160.0030.00316.91
8.0.150.0000.00716.93
8.0.140.0030.00316.78
8.0.130.0080.00013.36
8.0.120.0030.00616.83
8.0.110.0000.00716.87
8.0.100.0040.00316.98
8.0.90.0000.00816.98
8.0.80.0150.00616.89
8.0.70.0000.00716.93
8.0.60.0020.00516.86
8.0.50.0040.00416.94
8.0.30.0090.01217.05
8.0.20.0110.00817.40
8.0.10.0000.00716.86
8.0.00.0050.01416.74
7.4.330.0030.00315.02
7.4.320.0030.00316.54
7.4.300.0070.00016.42
7.4.290.0060.00316.57
7.4.280.0040.00416.46
7.4.270.0030.00316.54
7.4.260.0000.00816.43
7.4.250.0030.00516.49
7.4.240.0020.00516.56
7.4.230.0040.00416.62
7.4.220.0070.01216.43
7.4.210.0090.00616.32
7.4.200.0030.00316.36
7.4.160.0110.01116.51
7.4.150.0180.00017.40
7.4.140.0080.01017.86
7.4.130.0110.00716.32
7.4.120.0100.00816.41
7.4.110.0160.00616.44
7.4.100.0100.00716.57
7.4.90.0070.01016.59
7.4.80.0090.00919.39
7.4.70.0030.01316.49
7.4.60.0120.00616.39
7.4.50.0000.00916.71
7.4.40.0130.00316.53
7.4.30.0100.00616.61
7.4.00.0100.00714.80
7.3.330.0000.00513.01
7.3.320.0000.00513.09
7.3.310.0070.00016.08
7.3.300.0060.00016.29
7.3.290.0060.00816.22
7.3.280.0090.00616.24
7.3.270.0120.00617.40
7.3.260.0090.00916.58
7.3.250.0100.01016.44
7.3.240.0090.00616.27
7.3.230.0100.00716.42
7.3.210.0030.01416.27
7.3.200.0060.01419.39
7.3.190.0060.01516.29
7.3.180.0130.00316.21
7.3.170.0070.01316.31
7.3.160.0130.00516.30
7.3.120.0070.01114.82
7.3.110.0030.01415.00
7.3.100.0110.00714.76
7.3.90.0030.00514.61
7.3.80.0040.01214.88
7.3.70.0050.00514.86
7.3.60.0030.01014.70
7.3.50.0030.01314.82
7.3.40.0030.00914.70
7.3.30.0000.01514.79
7.3.20.0040.01116.46
7.3.10.0070.01116.65
7.3.00.0070.00416.77
7.2.330.0120.00616.61
7.2.320.0090.00816.27
7.2.310.0060.01216.44
7.2.300.0040.01216.45
7.2.290.0100.00716.60
7.2.250.0100.01015.00
7.2.240.0130.00714.91
7.2.230.0040.01115.02
7.2.220.0060.00615.24
7.2.210.0030.01015.15
7.2.200.0060.00315.16
7.2.190.0060.00314.78
7.2.180.0100.00615.24
7.2.170.0030.01415.18
7.2.00.0090.00619.45
7.1.330.0060.00615.66
7.1.320.0040.00715.61
7.1.310.0080.00815.65
7.1.300.0100.00715.79
7.1.290.0000.00915.77
7.1.280.0030.01015.65
7.1.270.0000.01615.77
7.1.260.0060.00615.93
7.1.200.0080.00515.78
7.1.100.0000.01718.00
7.1.70.0040.00417.24
7.1.60.0070.01819.34
7.1.50.0100.00616.88
7.1.00.0070.07322.44
7.0.200.0000.00816.70
7.0.140.0070.05722.04
7.0.60.0100.07720.02
7.0.50.0100.07317.87
7.0.40.0070.07719.96
7.0.30.0500.06320.21
7.0.20.0200.03720.20
7.0.10.0400.06720.04
7.0.00.0130.07020.16
5.6.280.0070.07021.04
5.6.210.0000.09020.64
5.6.200.0100.07018.13
5.6.190.0100.09020.39
5.6.180.0330.07020.65
5.6.170.0200.04020.48
5.6.160.0130.07020.44
5.6.150.0030.04718.11
5.6.140.0070.04318.11
5.6.130.0030.08018.12
5.6.120.0070.08720.91
5.6.110.0100.06020.98
5.6.100.0030.04721.12
5.6.90.0100.06020.96
5.6.80.0070.08020.50
5.6.70.0170.07020.39
5.5.350.0170.08720.29
5.5.340.0070.04017.92
5.5.330.0100.03720.29
5.5.320.0230.03320.23
5.5.310.0330.07020.12
5.5.300.0030.04017.98
5.5.290.0100.05717.94
5.5.280.0030.08720.81
5.5.270.0030.05320.96
5.5.260.0270.06320.86
5.5.250.0170.07320.61
5.5.240.0130.07320.15
5.4.450.0230.04319.41
5.4.440.0230.03719.38
5.4.430.0230.04319.21
5.4.420.0200.04719.46
5.4.410.0170.05718.70
5.4.400.0100.05318.68
5.4.390.0200.05018.49
5.4.380.0200.04318.65
5.4.370.0170.06718.69
5.4.360.0130.04718.61
5.4.350.0230.02313.71
5.4.340.0130.03713.86
5.4.320.0130.03714.17
5.4.310.0130.04014.12
5.4.300.0170.03314.30
5.4.290.0130.03714.19
5.4.280.0070.03714.05
5.4.270.0030.04714.06
5.4.260.0170.03314.02
5.4.250.0130.04014.17
5.4.240.0070.05714.06
5.4.230.0130.04014.09
5.4.220.0070.04314.05
5.4.210.0130.04014.08
5.4.200.0200.03714.07
5.4.190.0130.03714.04
5.4.180.0170.03714.19
5.4.170.0070.04014.04
5.4.160.0100.04014.05
5.4.150.0100.04014.07
5.4.140.0100.04013.88
5.4.130.0130.03713.70
5.4.120.0130.04013.70
5.4.110.0170.03313.67
5.4.100.0170.03013.67
5.4.90.0130.04013.71
5.4.80.0070.04313.63
5.4.70.0170.03013.63
5.4.60.0100.03713.79
5.4.50.0100.03713.87
5.4.40.0000.04713.86
5.4.30.0170.03313.62
5.4.20.0100.03713.68
5.4.10.0070.04313.64
5.4.00.0130.03313.17
5.3.290.0170.04014.58
5.3.280.0130.03714.50
5.3.270.0130.04014.49
5.3.260.0130.04314.45
5.3.250.0130.04714.47
5.3.240.0230.03714.45
5.3.230.0130.04014.49
5.3.220.0230.03014.59
5.3.210.0070.04314.59
5.3.200.0030.04314.44
5.3.190.0130.04014.57
5.3.180.0200.03714.59
5.3.170.0130.05714.57
5.3.160.0100.04014.59
5.3.150.0170.03714.43
5.3.140.0130.04014.39
5.3.130.0200.03314.59
5.3.120.0100.04714.59
5.3.110.0130.03714.46
5.3.100.0100.04014.05
5.3.90.0130.03713.86
5.3.80.0130.03713.93
5.3.70.0170.03313.93
5.3.60.0200.02714.04
5.3.50.0030.04313.98
5.3.40.0070.04013.83
5.3.30.0170.03013.83
5.3.20.0030.04313.61
5.3.10.0100.03713.61
5.3.00.0100.04013.57
5.2.170.0100.03011.11
5.2.160.0130.02711.04
5.2.150.0130.02711.07
5.2.140.0100.03011.14
5.2.130.0200.02711.05
5.2.120.0030.04010.99
5.2.110.0130.03010.95
5.2.100.0130.02711.00
5.2.90.0170.02311.07
5.2.80.0070.03311.09
5.2.70.0070.03711.09
5.2.60.0030.03711.05
5.2.50.0070.03710.89
5.2.40.0000.03710.91
5.2.30.0000.03710.98
5.2.20.0100.02710.91
5.2.10.0070.03010.84
5.2.00.0030.03710.62
5.1.60.0130.0239.91
5.1.50.0100.0279.91
5.1.40.0070.02710.01
5.1.30.0130.02310.30
5.1.20.0070.02710.26
5.1.10.0100.02710.12
5.1.00.0100.02710.04
5.0.50.0030.0278.50
5.0.40.0100.0178.36
5.0.30.0030.0338.24
5.0.20.0030.0278.27
5.0.10.0070.0178.18
5.0.00.0000.0378.11
4.4.90.0000.0205.86
4.4.80.0030.0175.82
4.4.70.0000.0205.83
4.4.60.0030.0175.85
4.4.50.0030.0175.76
4.4.40.0030.0275.86
4.4.30.0030.0175.79
4.4.20.0070.0135.88
4.4.10.0030.0205.87
4.4.00.0000.0335.87
4.3.110.0000.0205.74
4.3.100.0030.0175.75
4.3.90.0030.0175.74
4.3.80.0030.0235.75
4.3.70.0030.0205.76
4.3.60.0000.0175.70
4.3.50.0030.0175.75
4.3.40.0030.0275.86
4.3.30.0000.0174.56
4.3.20.0030.0134.54
4.3.10.0000.0174.43
4.3.00.0000.01716.65

preferences:
40.87 ms | 401 KiB | 5 Q