3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count=0; echo (str_replace(' ', '', 'abc', $count)); echo $count;

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)
8.3.60.0000.01518.18
8.3.50.0170.00421.99
8.3.40.0110.00418.71
8.3.30.0040.01118.59
8.3.20.0080.00018.57
8.3.10.0080.00020.36
8.3.00.0060.00323.57
8.2.180.0120.00916.63
8.2.170.0030.01422.96
8.2.160.0100.00320.36
8.2.150.0040.00424.18
8.2.140.0000.01024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.23
8.2.110.0070.00318.96
8.2.100.0080.00417.91
8.2.90.0030.00619.21
8.2.80.0030.00517.97
8.2.70.0000.00817.63
8.2.60.0030.00518.03
8.2.50.0050.00318.10
8.2.40.0000.00818.16
8.2.30.0080.00019.85
8.2.20.0040.00417.64
8.2.10.0000.00717.64
8.2.00.0040.00417.65
8.1.280.0100.00325.92
8.1.270.0050.00223.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00319.48
8.1.230.0110.00017.70
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.11
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0060.00318.90
8.1.160.0040.00418.73
8.1.150.0040.00418.44
8.1.140.0040.00417.38
8.1.130.0000.00717.88
8.1.120.0050.00317.28
8.1.110.0070.00017.37
8.1.100.0040.00417.30
8.1.90.0030.00617.30
8.1.80.0000.00817.32
8.1.70.0030.00617.35
8.1.60.0050.00317.47
8.1.50.0040.00417.29
8.1.40.0040.00517.37
8.1.30.0000.00717.50
8.1.20.0000.00717.46
8.1.10.0040.00417.43
8.1.00.0000.00717.43
8.0.300.0020.00518.77
8.0.290.0080.00016.63
8.0.280.0070.00018.32
8.0.270.0000.00717.24
8.0.260.0030.00316.80
8.0.250.0040.00416.84
8.0.240.0030.00616.95
8.0.230.0000.00716.78
8.0.220.0000.00716.69
8.0.210.0070.00016.70
8.0.200.0030.00316.92
8.0.190.0080.00016.92
8.0.180.0070.00016.86
8.0.170.0040.00416.73
8.0.160.0030.00716.89
8.0.150.0000.00816.65
8.0.140.0000.01016.69
8.0.130.0030.00313.23
8.0.120.0040.00416.81
8.0.110.0000.00816.84
8.0.100.0000.00716.70
8.0.90.0050.00216.73
8.0.80.0140.00016.80
8.0.70.0070.00016.85
8.0.60.0000.00716.71
8.0.50.0000.00716.69
8.0.30.0140.00817.01
8.0.20.0100.00917.40
8.0.10.0040.00416.99
8.0.00.0070.01316.73
7.4.330.0060.00014.72
7.4.320.0000.00616.50
7.4.300.0000.00616.53
7.4.290.0000.00716.53
7.4.280.0000.00816.36
7.4.270.0030.00316.56
7.4.260.0050.00013.19
7.4.250.0080.00016.52
7.4.240.0040.00416.43
7.4.230.0040.00416.43
7.4.220.0070.01016.29
7.4.210.0040.01016.49
7.4.200.0000.00716.47
7.4.190.0000.00616.59
7.4.160.0060.01216.67
7.4.150.0100.01017.40
7.4.140.0140.00317.86
7.4.130.0080.01016.49
7.4.120.0110.00616.44
7.4.110.0140.00316.28
7.4.100.0090.01516.45
7.4.90.0170.00716.44
7.4.80.0080.01219.04
7.4.70.0120.00616.51
7.4.60.0140.00416.55
7.4.50.0000.00916.52
7.4.40.0060.00922.27
7.4.30.0040.01316.57
7.4.00.0070.01114.89
7.3.330.0000.00612.94
7.3.320.0000.00612.96
7.3.310.0000.00716.02
7.3.300.0000.00716.22
7.3.290.0060.00916.20
7.3.280.0070.01316.20
7.3.270.0110.01117.40
7.3.260.0100.01018.24
7.3.250.0090.00916.45
7.3.240.0100.00616.12
7.3.230.0060.00916.55
7.3.210.0100.00716.38
7.3.200.0040.01519.39
7.3.190.0100.00716.20
7.3.180.0090.00616.53
7.3.170.0160.00016.53
7.3.160.0120.01216.27
7.3.120.0030.00615.07
7.2.330.0100.00716.49
7.2.320.0170.00016.45
7.2.310.0110.00816.27
7.2.300.0100.00716.52
7.2.290.0130.00316.40
7.2.60.0090.00616.56
7.2.00.0000.01318.87
7.1.200.0060.00915.81
7.1.100.0000.00818.11
7.1.70.0060.00616.94
7.1.60.0160.00619.40
7.1.50.0090.01516.86
7.1.00.0000.08022.44
7.0.200.0000.00716.55
7.0.140.0070.06321.95
7.0.60.0100.08019.93
7.0.50.0070.05017.86
7.0.40.0030.04020.19
7.0.30.0030.08320.19
7.0.20.0030.04320.18
7.0.10.0000.05320.23
7.0.00.0030.08320.09
5.6.280.0070.07020.81
5.6.210.0100.07320.50
5.6.200.0130.08018.23
5.6.190.0000.04320.66
5.6.180.0000.05320.67
5.6.170.0000.04320.60
5.6.160.0000.05720.45
5.6.150.0030.09020.34
5.6.140.0070.08320.43
5.6.130.0030.08320.43
5.6.120.0070.04020.38
5.6.110.0000.06320.09
5.6.100.0000.07020.45
5.6.90.0030.07720.35
5.6.80.0070.04319.82
5.6.70.0030.07319.48
5.6.60.0030.08319.70
5.6.50.0030.06319.70
5.6.40.0070.07719.70
5.6.30.0030.07319.83
5.6.20.0030.04019.79
5.6.10.0100.07019.79
5.6.00.0030.08019.71
5.5.350.4030.04020.31
5.5.340.0100.08017.91
5.5.330.0000.04320.43
5.5.320.0030.04320.19
5.5.310.0000.04320.43
5.5.300.0030.08719.93
5.5.290.0100.07720.17
5.5.280.0000.06719.98
5.5.270.0070.08320.16
5.5.260.0130.07320.16
5.5.250.0030.07319.96
5.5.240.0030.08719.50
5.5.230.0030.06719.34
5.5.220.0130.05319.54
5.5.210.0030.06019.61
5.5.200.0030.07719.61
5.5.190.0130.05319.32
5.5.180.0170.05019.48
5.5.160.0030.07319.25
5.5.150.0000.07019.58
5.5.140.0030.08319.47
5.5.130.0030.07719.46
5.5.120.0070.08019.59
5.5.110.0000.06319.50
5.5.100.0070.06019.38
5.5.90.0070.07719.38
5.5.80.0000.08019.37
5.5.70.0030.07319.47
5.5.60.0030.08019.47
5.5.50.0030.05319.50
5.5.40.0000.08319.43
5.5.30.0030.07019.25
5.5.20.0030.07719.21
5.5.10.0070.07719.41
5.5.00.0000.05019.24
5.4.450.0030.08019.44
5.4.440.0130.07719.46
5.4.430.0130.07319.44
5.4.420.0070.04719.24
5.4.410.0030.07019.31
5.4.400.0100.07019.01
5.4.390.0030.08019.09
5.4.380.0030.08019.11
5.4.370.0070.04718.80
5.4.360.0030.04019.12
5.4.350.0000.05019.18
5.4.340.0030.04319.18
5.4.320.0000.07019.02
5.4.310.0030.06319.13
5.4.300.0070.05319.08
5.4.290.0070.06019.11
5.4.280.0030.07318.91
5.4.270.0030.06019.14
5.4.260.0100.03019.15
5.4.250.0130.06318.80
5.4.240.0030.07018.91
5.4.230.0070.06018.93
5.4.220.0000.07319.13
5.4.210.0070.07018.80
5.4.200.0000.06719.08
5.4.190.0100.06719.18
5.4.180.0070.06719.16
5.4.170.0030.06018.90
5.4.160.0130.06719.09
5.4.150.0130.07318.89
5.4.140.0070.07316.17
5.4.130.0030.07016.43
5.4.120.0070.07016.34
5.4.110.0030.07316.40
5.4.100.0030.05016.60
5.4.90.0030.06716.32
5.4.80.0100.06316.13
5.4.70.0100.03716.29
5.4.60.0200.03716.24
5.4.50.0100.06316.34
5.4.40.0000.07316.25
5.4.30.0030.07016.31
5.4.20.0030.07316.22
5.4.10.0030.07716.38
5.4.00.0000.06015.69
5.3.290.0030.08014.74
5.3.280.0030.05314.54
5.3.270.0030.08014.56
5.3.260.0000.05714.56
5.3.250.0030.07314.44
5.3.240.0030.07714.50
5.3.230.0100.04714.52
5.3.220.0000.06314.49
5.3.210.0030.06714.58
5.3.200.0000.06314.50
5.3.190.0070.05714.38
5.3.180.0000.05314.51
5.3.170.0070.04714.45
5.3.160.0000.06314.50
5.3.150.0030.07314.38
5.3.140.0070.07314.43
5.3.130.0070.07314.63
5.3.120.0030.07714.46
5.3.110.0000.07314.48
5.3.100.0000.05013.96
5.3.90.0000.07313.92
5.3.80.0070.06713.95
5.3.70.0100.05713.83
5.3.60.0030.06714.01
5.3.50.0100.05713.87
5.3.40.0070.07313.75
5.3.30.0030.05313.83
5.3.20.0000.05013.62
5.3.10.0000.06313.59
5.3.00.0130.04313.57
5.2.170.0030.05312.14
5.2.160.0000.04712.14
5.2.150.0070.05712.14
5.2.140.0000.03712.14
5.2.130.0000.05712.14
5.2.120.0000.05012.14
5.2.110.0000.04312.14
5.2.100.0000.04312.14
5.2.90.0000.04312.14
5.2.80.0070.06012.14
5.2.70.0030.06012.14
5.2.60.0030.06712.14
5.2.50.0000.05012.14
5.2.40.0000.06012.14
5.2.30.0000.06712.14
5.2.20.0030.06012.14
5.2.10.0070.05012.14
5.2.00.0070.05012.14
5.1.60.0070.04312.14
5.1.50.0000.05712.14
5.1.40.0000.05712.14
5.1.30.0000.04712.14
5.1.20.0030.03712.14
5.1.10.0000.04012.14
5.1.00.0000.04012.14
5.0.50.0030.04312.14
5.0.40.0000.04712.14
5.0.30.0000.07012.14
5.0.20.0000.04012.14
5.0.10.0000.04012.14
5.0.00.0000.06712.14
4.4.90.0000.03712.14
4.4.80.0000.03712.14
4.4.70.0000.03012.14
4.4.60.0030.03012.14
4.4.50.0030.02312.14
4.4.40.0000.03312.14
4.4.30.0030.02312.14
4.4.20.0070.03012.14
4.4.10.0000.03712.14
4.4.00.0000.05312.14
4.3.110.0000.03712.14
4.3.100.0000.03312.14
4.3.90.0030.01712.14
4.3.80.0000.05312.14
4.3.70.0000.03012.14
4.3.60.0000.02312.14
4.3.50.0100.02712.14
4.3.40.0000.05312.14
4.3.30.0000.03712.14
4.3.20.0070.03312.14
4.3.10.0070.02712.14
4.3.00.0070.02312.14

preferences:
43.35 ms | 401 KiB | 5 Q